30726057536 has 56 divisors (see below), whose sum is σ = 61282722240. Its totient is φ = 15284961792.

The previous prime is 30726057497. The next prime is 30726057541. The reversal of 30726057536 is 63575062703.

It is a super-2 number, since 2×30726057536² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12015170 + ... + 12017726.

Almost surely, 2^30726057536 is an apocalyptic number.

It is an amenable number.

30726057536 is a deficient number, since it is larger than the sum of its proper divisors (30556664704).

30726057536 is a wasteful number, since it uses less digits than its factorization.

30726057536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3441 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 44.

The spelling of 30726057536 in words is "thirty billion, seven hundred twenty-six million, fifty-seven thousand, five hundred thirty-six".