239229978632 has 108 divisors (see below), whose sum is σ = 476952549255. Its totient is φ = 112488321792.

The previous prime is 239229978629. The next prime is 239229978653. The reversal of 239229978632 is 236879922932.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

239229978632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 50618700196 + 188611278436 = 224986^2 + 434294^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=345854.

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 26 ways as a sum of consecutive naturals, for example, 2687977244 + ... + 2687977332.

Almost surely, 2^239229978632 is an apocalyptic number.

It is an amenable number.

239229978632 is a deficient number, since it is larger than the sum of its proper divisors (237722570623).

239229978632 is an frugal number, since it uses more digits than its factorization.

239229978632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 187 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 62.

The spelling of 239229978632 in words is "two hundred thirty-nine billion, two hundred twenty-nine million, nine hundred seventy-eight thousand, six hundred thirty-two".