3656215044 has 48 divisors (see below), whose sum is σ = 9542736000. Its totient is φ = 1210553568.

The previous prime is 3656215027. The next prime is 3656215081. The reversal of 3656215044 is 4405126563.

3656215044 is a `hidden beast` number, since 3 + 6 + 562 + 1 + 50 + 44 = 666.

3656215044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 97512 + ... + 129695.

It is an arithmetic number, because the mean of its divisors is an integer number (198807000).

Almost surely, 2^3656215044 is an apocalyptic number.

It is an amenable number.

3656215044 is an abundant number, since it is smaller than the sum of its proper divisors (5886520956).

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

3656215044 is a wasteful number, since it uses less digits than its factorization.

3656215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227369 (or 227361 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3656215044 is about 60466.6440610028. The cubic root of 3656215044 is about 1540.5551273543. Note that the first 3 decimals are identical.

The spelling of 3656215044 in words is "three billion, six hundred fifty-six million, two hundred fifteen thousand, forty-four".