30372137420 has 12 divisors (see below), whose sum is σ = 63781488624. Its totient is φ = 12148854960.

The previous prime is 30372137381. The next prime is 30372137429. The reversal of 30372137420 is 2473127303.

It is not an unprimeable number, because it can be changed into a prime (30372137429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759303416 + ... + 759303455.

It is an arithmetic number, because the mean of its divisors is an integer number (5315124052).

Almost surely, 2^30372137420 is an apocalyptic number.

It is an amenable number.

30372137420 is an abundant number, since it is smaller than the sum of its proper divisors (33409351204).

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

30372137420 is a wasteful number, since it uses less digits than its factorization.

30372137420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518606880 (or 1518606878 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 30372137420 in words is "thirty billion, three hundred seventy-two million, one hundred thirty-seven thousand, four hundred twenty".