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140042431340240 = 2451113292351179549
BaseRepresentation
bin11111110101111000101011…
…010111111001111011010000
3200100211220222211021221220012
4133311320223113321323100
5121323423344410341430
61213502334345534052
741332505666523302
oct3765705327717320
9610756884257805
10140042431340240
1140692730658190
12138591b2aa4328
13601ac38402910
142682138755972
15112cc5968a695
hex7f5e2b5f9ed0

140042431340240 has 320 divisors, whose sum is σ = 395882411904000. Its totient is φ = 45366752256000.

The previous prime is 140042431340213. The next prime is 140042431340267. The reversal of 140042431340240 is 42043134240041.

It is an interprime number because it is at equal distance from previous prime (140042431340213) and next prime (140042431340267).

It is a super-2 number, since 2×1400424313402402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140042431340197 and 140042431340206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 779877986 + ... + 780057534.

It is an arithmetic number, because the mean of its divisors is an integer number (1237132537200).

Almost surely, 2140042431340240 is an apocalyptic number.

140042431340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140042431340240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197941205952000).

140042431340240 is an abundant number, since it is smaller than the sum of its proper divisors (255839980563760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140042431340240 is a wasteful number, since it uses less digits than its factorization.

140042431340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181966 (or 181960 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140042431340240 its reverse (42043134240041), we get a palindrome (182085565580281).

The spelling of 140042431340240 in words is "one hundred forty trillion, forty-two billion, four hundred thirty-one million, three hundred forty thousand, two hundred forty".