239485540728 has 32 divisors (see below), whose sum is σ = 684244402560. Its totient is φ = 68424440160.

The previous prime is 239485540727. The next prime is 239485540741. The reversal of 239485540728 is 827045584932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239485540727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712754418 + ... + 712754753.

It is an arithmetic number, because the mean of its divisors is an integer number (21382637580).

Almost surely, 2^239485540728 is an apocalyptic number.

239485540728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

239485540728 is an abundant number, since it is smaller than the sum of its proper divisors (444758861832).

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

239485540728 is a wasteful number, since it uses less digits than its factorization.

239485540728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425509187 (or 1425509183 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 239485540728 in words is "two hundred thirty-nine billion, four hundred eighty-five million, five hundred forty thousand, seven hundred twenty-eight".