239978426700 has 54 divisors (see below), whose sum is σ = 694362131764. Its totient is φ = 63991984480.

The previous prime is 239978426693. The next prime is 239978426729. The reversal of 239978426700 is 7624879932.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8470759 + ... + 8499041.

Almost surely, 2^239978426700 is an apocalyptic number.

239978426700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239978426700 is an abundant number, since it is smaller than the sum of its proper divisors (454383705064).

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

239978426700 is an frugal number, since it uses more digits than its factorization.

239978426700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56583 (or 28293 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 239978426700 in words is "two hundred thirty-nine billion, nine hundred seventy-eight million, four hundred twenty-six thousand, seven hundred".