30904280064 has 396 divisors, whose sum is σ = 107714515584. Its totient is φ = 8358764544.

The previous prime is 30904280051. The next prime is 30904280107. The reversal of 30904280064 is 46008240903.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23288169 + ... + 23289495.

Almost surely, 2^30904280064 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 30904280064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53857257792).

30904280064 is an abundant number, since it is smaller than the sum of its proper divisors (76810235520).

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

30904280064 is a wasteful number, since it uses less digits than its factorization.

30904280064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 30904280064 in words is "thirty billion, nine hundred four million, two hundred eighty thousand, sixty-four".