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40602240 = 2732571953
BaseRepresentation
bin1001101011100…
…0101010000000
32211101210210200
42122320222000
540343232430
64010125200
71002053610
oct232705200
984353720
1040602240
1120a12078
1211720800
1385479c3
14556ca40
153870460
hex26b8a80

40602240 has 384 divisors, whose sum is σ = 171849600. Its totient is φ = 8626176.

The previous prime is 40602229. The next prime is 40602251. The reversal of 40602240 is 4220604.

40602240 is a `hidden beast` number, since 40 + 602 + 24 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (40602229) and next prime (40602251).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 766054 + ... + 766106.

It is an arithmetic number, because the mean of its divisors is an integer number (447525).

Almost surely, 240602240 is an apocalyptic number.

40602240 is a gapful number since it is divisible by the number (40) 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 40602240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85924800).

40602240 is an abundant number, since it is smaller than the sum of its proper divisors (131247360).

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

40602240 is a wasteful number, since it uses less digits than its factorization.

40602240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40602240 is about 6371.9887005550. The cubic root of 40602240 is about 343.7030066889.

Adding to 40602240 its reverse (4220604), we get a palindrome (44822844).

The spelling of 40602240 in words is "forty million, six hundred two thousand, two hundred forty".