3656195480 has 32 divisors (see below), whose sum is σ = 9401646240. Its totient is φ = 1253552640.

The previous prime is 3656195453. The next prime is 3656195497. The reversal of 3656195480 is 845916563.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6528641 + ... + 6529200.

It is an arithmetic number, because the mean of its divisors is an integer number (293801445).

Almost surely, 2^3656195480 is an apocalyptic number.

It is an amenable number.

3656195480 is an abundant number, since it is smaller than the sum of its proper divisors (5745450760).

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

3656195480 is a wasteful number, since it uses less digits than its factorization.

3656195480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057859 (or 13057855 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 3656195480 is about 60466.4822856432. The cubic root of 3656195480 is about 1540.5523795697.

The spelling of 3656195480 in words is "three billion, six hundred fifty-six million, one hundred ninety-five thousand, four hundred eighty".