30213937680 has 80 divisors (see below), whose sum is σ = 96892994880. Its totient is φ = 7779218944.

The previous prime is 30213937657. The next prime is 30213937687. The reversal of 30213937680 is 8673931203.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30213937687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163582 + ... + 2177501.

It is an arithmetic number, because the mean of its divisors is an integer number (1211162436).

Almost surely, 2^30213937680 is an apocalyptic number.

30213937680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30213937680 is an abundant number, since it is smaller than the sum of its proper divisors (66679057200).

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

30213937680 is a wasteful number, since it uses less digits than its factorization.

30213937680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341128 (or 4341122 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 30213937680 in words is "thirty billion, two hundred thirteen million, nine hundred thirty-seven thousand, six hundred eighty".