30139752804 has 72 divisors (see below), whose sum is σ = 81839177280. Its totient is φ = 8608065984.

The previous prime is 30139752779. The next prime is 30139752833. The reversal of 30139752804 is 40825793103.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 23 ways as a sum of consecutive naturals, for example, 1819849 + ... + 1836335.

It is an arithmetic number, because the mean of its divisors is an integer number (1136655240).

Almost surely, 2^30139752804 is an apocalyptic number.

It is an amenable number.

30139752804 is an abundant number, since it is smaller than the sum of its proper divisors (51699424476).

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

30139752804 is a wasteful number, since it uses less digits than its factorization.

30139752804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19617 (or 19608 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 30139752804 in words is "thirty billion, one hundred thirty-nine million, seven hundred fifty-two thousand, eight hundred four".