30526947864 has 480 divisors, whose sum is σ = 101854443600. Its totient is φ = 8250439680.

The previous prime is 30526947859. The next prime is 30526947881. The reversal of 30526947864 is 46874962503.

30526947864 is a `hidden beast` number, since 3 + 0 + 52 + 69 + 478 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30526947864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 418177332 + ... + 418177404.

Almost surely, 2^30526947864 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 30526947864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50927221800).

30526947864 is an abundant number, since it is smaller than the sum of its proper divisors (71327495736).

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

30526947864 is a wasteful number, since it uses less digits than its factorization.

30526947864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 30526947864 in words is "thirty billion, five hundred twenty-six million, nine hundred forty-seven thousand, eight hundred sixty-four".