30237875940 has 48 divisors (see below), whose sum is σ = 84679882560. Its totient is φ = 8062116480.

The previous prime is 30237875909. The next prime is 30237875947. The reversal of 30237875940 is 4957873203.

It is a self number, because there is not a number n which added to its sum of digits gives 30237875940.

It is not an unprimeable number, because it can be changed into a prime (30237875947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361831 + ... + 437489.

It is an arithmetic number, because the mean of its divisors is an integer number (1764164220).

Almost surely, 2^30237875940 is an apocalyptic number.

30237875940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30237875940 is an abundant number, since it is smaller than the sum of its proper divisors (54442006620).

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

30237875940 is a wasteful number, since it uses less digits than its factorization.

30237875940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82332 (or 82330 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 30237875940 in words is "thirty billion, two hundred thirty-seven million, eight hundred seventy-five thousand, nine hundred forty".