30428602880 has 80 divisors (see below), whose sum is σ = 78569518104. Its totient is φ = 11235164160.

The previous prime is 30428602873. The next prime is 30428602903. The reversal of 30428602880 is 8820682403.

It can be written as a sum of positive squares in 4 ways, for example, as 11419914496 + 19008688384 = 106864^2 + 137872^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423881 + ... + 490440.

Almost surely, 2^30428602880 is an apocalyptic number.

It is an amenable number.

30428602880 is an abundant number, since it is smaller than the sum of its proper divisors (48140915224).

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

30428602880 is an equidigital number, since it uses as much as digits as its factorization.

30428602880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914357 (or 914341 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 30428602880 in words is "thirty billion, four hundred twenty-eight million, six hundred two thousand, eight hundred eighty".