239528806144 has 18 divisors (see below), whose sum is σ = 478121953400. Its totient is φ = 119764402944.

The previous prime is 239528806117. The next prime is 239528806151. The reversal of 239528806144 is 441608825932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 239528806091 and 239528806100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467829444 + ... + 467829955.

Almost surely, 2^239528806144 is an apocalyptic number.

It is an amenable number.

239528806144 is a deficient number, since it is larger than the sum of its proper divisors (238593147256).

239528806144 is an frugal number, since it uses more digits than its factorization.

239528806144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935659415 (or 935659401 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 239528806144 in words is "two hundred thirty-nine billion, five hundred twenty-eight million, eight hundred six thousand, one hundred forty-four".