3657274940 has 48 divisors (see below), whose sum is σ = 8871345504. Its totient is φ = 1251686400.

The previous prime is 3657274937. The next prime is 3657274979. The reversal of 3657274940 is 494727563.

It is a congruent number.

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, 485201 + ... + 492680.

It is an arithmetic number, because the mean of its divisors is an integer number (184819698).

Almost surely, 2^3657274940 is an apocalyptic number.

It is an amenable number.

3657274940 is an abundant number, since it is smaller than the sum of its proper divisors (5214070564).

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

3657274940 is a wasteful number, since it uses less digits than its factorization.

3657274940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977918 (or 977916 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 3657274940 is about 60475.4077290927. The cubic root of 3657274940 is about 1540.7039762270.

The spelling of 3657274940 in words is "three billion, six hundred fifty-seven million, two hundred seventy-four thousand, nine hundred forty".