3679561535940 has 72 divisors (see below), whose sum is σ = 11184638250240. Its totient is φ = 979167918144.

The previous prime is 3679561535933. The next prime is 3679561535941. The reversal of 3679561535940 is 495351659763.

3679561535940 is a `hidden beast` number, since 3 + 6 + 7 + 9 + 5 + 6 + 1 + 535 + 94 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (3679561535941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21251994 + ... + 21424433.

It is an arithmetic number, because the mean of its divisors is an integer number (155342197920).

Almost surely, 2^{3679561535940} is an apocalyptic number.

3679561535940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3679561535940 is an abundant number, since it is smaller than the sum of its proper divisors (7505076714300).

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

3679561535940 is a wasteful number, since it uses less digits than its factorization.

3679561535940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42676921 (or 42676916 counting only the distinct ones).

The product of its (nonzero) digits is 91854000, while the sum is 63.

The spelling of 3679561535940 in words is "three trillion, six hundred seventy-nine billion, five hundred sixty-one million, five hundred thirty-five thousand, nine hundred forty".