127979524940 has 24 divisors (see below), whose sum is σ = 268764531840. Its totient is φ = 51190375808.

The previous prime is 127979524919. The next prime is 127979524961. The reversal of 127979524940 is 49425979721.

It is an interprime number because it is at equal distance from previous prime (127979524919) and next prime (127979524961).

It is a self number, because there is not a number n which added to its sum of digits gives 127979524940.

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, 918821 + ... + 1048899.

It is an arithmetic number, because the mean of its divisors is an integer number (11198522160).

Almost surely, 2^127979524940 is an apocalyptic number.

127979524940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127979524940 is an abundant number, since it is smaller than the sum of its proper divisors (140785006900).

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

127979524940 is a wasteful number, since it uses less digits than its factorization.

127979524940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179281 (or 179279 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 127979524940 in words is "one hundred twenty-seven billion, nine hundred seventy-nine million, five hundred twenty-four thousand, nine hundred forty".