3659754925640 has 64 divisors (see below), whose sum is σ = 8983233020160. Its totient is φ = 1330790609920.

The previous prime is 3659754925609. The next prime is 3659754925657. The reversal of 3659754925640 is 465294579563.

It is a super-2 number, since 2×3659754925640² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35873744 + ... + 35975616.

It is an arithmetic number, because the mean of its divisors is an integer number (140363015940).

Almost surely, 2^{3659754925640} is an apocalyptic number.

It is an amenable number.

3659754925640 is an abundant number, since it is smaller than the sum of its proper divisors (5323478094520).

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

3659754925640 is a wasteful number, since it uses less digits than its factorization.

3659754925640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183542 (or 183538 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 65.

The spelling of 3659754925640 in words is "three trillion, six hundred fifty-nine billion, seven hundred fifty-four million, nine hundred twenty-five thousand, six hundred forty".