3656244368 has 60 divisors (see below), whose sum is σ = 8524750140. Its totient is φ = 1512919296.

The previous prime is 3656244343. The next prime is 3656244373. The reversal of 3656244368 is 8634426563.

It can be written as a sum of positive squares in 2 ways, for example, as 814075024 + 2842169344 = 28532^2 + 53312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57671 + ... + 103142.

It is an arithmetic number, because the mean of its divisors is an integer number (142079169).

Almost surely, 2^3656244368 is an apocalyptic number.

It is an amenable number.

3656244368 is an abundant number, since it is smaller than the sum of its proper divisors (4868505772).

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

3656244368 is a wasteful number, since it uses less digits than its factorization.

3656244368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160864 (or 160851 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 47.

The square root of 3656244368 is about 60466.8865413128. The cubic root of 3656244368 is about 1540.5592459229.

The spelling of 3656244368 in words is "three billion, six hundred fifty-six million, two hundred forty-four thousand, three hundred sixty-eight".