3365290638 has 20 divisors (see below), whose sum is σ = 7540744200. Its totient is φ = 1121763492.

The previous prime is 3365290613. The next prime is 3365290651. The reversal of 3365290638 is 8360925633.

3365290638 is a `hidden beast` number, since 3 + 3 + 6 + 5 + 2 + 9 + 0 + 638 = 666.

It is a super-2 number, since 2×3365290638² = 22650362156420894088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3365290593 and 3365290602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10386538 + ... + 10386861.

It is an arithmetic number, because the mean of its divisors is an integer number (377037210).

Almost surely, 2^3365290638 is an apocalyptic number.

3365290638 is an abundant number, since it is smaller than the sum of its proper divisors (4175453562).

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

3365290638 is a wasteful number, since it uses less digits than its factorization.

3365290638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20773413 (or 20773404 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 3365290638 is about 58011.1251226866. The cubic root of 3365290638 is about 1498.5601944154.

The spelling of 3365290638 in words is "three billion, three hundred sixty-five million, two hundred ninety thousand, six hundred thirty-eight".