30802552128 has 112 divisors (see below), whose sum is σ = 91905693760. Its totient is φ = 10114232832.

The previous prime is 30802552111. The next prime is 30802552171. The reversal of 30802552128 is 82125520803.

30802552128 is a `hidden beast` number, since 3 + 0 + 80 + 2 + 552 + 1 + 28 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 30802552092 and 30802552101.

It is a congruent number.

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, 17251 + ... + 248802.

Almost surely, 2^30802552128 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 30802552128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45952846880).

30802552128 is an abundant number, since it is smaller than the sum of its proper divisors (61103141632).

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

30802552128 is a wasteful number, since it uses less digits than its factorization.

30802552128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266141 (or 266125 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 30802552128 in words is "thirty billion, eight hundred two million, five hundred fifty-two thousand, one hundred twenty-eight".