30156771264 has 112 divisors (see below), whose sum is σ = 85509616128. Its totient is φ = 9355281408.

The previous prime is 30156771217. The next prime is 30156771283. The reversal of 30156771264 is 46217765103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71109 + ... + 255675.

Almost surely, 2^30156771264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30156771264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42754808064).

30156771264 is an abundant number, since it is smaller than the sum of its proper divisors (55352844864).

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

30156771264 is a wasteful number, since it uses less digits than its factorization.

30156771264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184642 (or 184632 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 30156771264 in words is "thirty billion, one hundred fifty-six million, seven hundred seventy-one thousand, two hundred sixty-four".