30525291264 has 144 divisors (see below), whose sum is σ = 89856872672. Its totient is φ = 9138438144.

The previous prime is 30525291217. The next prime is 30525291311. The reversal of 30525291264 is 46219252503.

It is an interprime number because it is at equal distance from previous prime (30525291217) and next prime (30525291311).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328092 + ... + 410724.

Almost surely, 2^30525291264 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 30525291264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44928436336).

30525291264 is an abundant number, since it is smaller than the sum of its proper divisors (59331581408).

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

30525291264 is a wasteful number, since it uses less digits than its factorization.

30525291264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82702 (or 82688 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 30525291264 in words is "thirty billion, five hundred twenty-five million, two hundred ninety-one thousand, two hundred sixty-four".