30977488940 has 12 divisors (see below), whose sum is σ = 65052726816. Its totient is φ = 12390995568.

The previous prime is 30977488921. The next prime is 30977488957. The reversal of 30977488940 is 4988477903.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30977488940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774437204 + ... + 774437243.

It is an arithmetic number, because the mean of its divisors is an integer number (5421060568).

Almost surely, 2^30977488940 is an apocalyptic number.

It is an amenable number.

30977488940 is an abundant number, since it is smaller than the sum of its proper divisors (34075237876).

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

30977488940 is a wasteful number, since it uses less digits than its factorization.

30977488940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548874456 (or 1548874454 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 30977488940 in words is "thirty billion, nine hundred seventy-seven million, four hundred eighty-eight thousand, nine hundred forty".