30390316280 has 32 divisors (see below), whose sum is σ = 68411930400. Its totient is φ = 12150132096.

The previous prime is 30390316279. The next prime is 30390316301. The reversal of 30390316280 is 8261309303.

It is a self number, because there is not a number n which added to its sum of digits gives 30390316280.

It is a congruent number.

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, 104747 + ... + 267866.

It is an arithmetic number, because the mean of its divisors is an integer number (2137872825).

Almost surely, 2^30390316280 is an apocalyptic number.

It is an amenable number.

30390316280 is an abundant number, since it is smaller than the sum of its proper divisors (38021614120).

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

30390316280 is a wasteful number, since it uses less digits than its factorization.

30390316280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374663 (or 374659 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 30390316280 in words is "thirty billion, three hundred ninety million, three hundred sixteen thousand, two hundred eighty".