30688030464 has 432 divisors, whose sum is σ = 103249389600. Its totient is φ = 8020131840.

The previous prime is 30688030411. The next prime is 30688030501. The reversal of 30688030464 is 46403088603.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72892974 + ... + 72893394.

Almost surely, 2^30688030464 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 30688030464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51624694800).

30688030464 is an abundant number, since it is smaller than the sum of its proper divisors (72561359136).

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

30688030464 is a wasteful number, since it uses less digits than its factorization.

30688030464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 30688030464 in words is "thirty billion, six hundred eighty-eight million, thirty thousand, four hundred sixty-four".