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140321532240 = 243253153118619
BaseRepresentation
bin1000001010101111010…
…0001010100101010000
3111102012020201102001200
42002223310022211100
54244334303012430
6144243545231200
713065204226041
oct2025364124520
9442166642050
10140321532240
115456793506a
1223241492500
131030338b766
146b122088c8
1539b4085460
hex20abd0a950

140321532240 has 240 divisors, whose sum is σ = 495630420480. Its totient is φ = 35528463360.

The previous prime is 140321532011. The next prime is 140321532251. The reversal of 140321532240 is 42235123041.

140321532240 is a `hidden beast` number, since 1 + 403 + 2 + 15 + 3 + 2 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123651 + ... + 1242269.

It is an arithmetic number, because the mean of its divisors is an integer number (2065126752).

Almost surely, 2140321532240 is an apocalyptic number.

140321532240 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 140321532240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247815210240).

140321532240 is an abundant number, since it is smaller than the sum of its proper divisors (355308888240).

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

140321532240 is a wasteful number, since it uses less digits than its factorization.

140321532240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118722 (or 118713 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 140321532240 its reverse (42235123041), we get a palindrome (182556655281).

The spelling of 140321532240 in words is "one hundred forty billion, three hundred twenty-one million, five hundred thirty-two thousand, two hundred forty".