252850761478 has 24 divisors (see below), whose sum is σ = 441392591304. Its totient is φ = 108317008800.

The previous prime is 252850761437. The next prime is 252850761479. The reversal of 252850761478 is 874167058252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252850761479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342028 + ... + 789103.

It is an arithmetic number, because the mean of its divisors is an integer number (18391357971).

Almost surely, 2^252850761478 is an apocalyptic number.

252850761478 is a deficient number, since it is larger than the sum of its proper divisors (188541829826).

252850761478 is a wasteful number, since it uses less digits than its factorization.

252850761478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133428 (or 1133421 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 252850761478 in words is "two hundred fifty-two billion, eight hundred fifty million, seven hundred sixty-one thousand, four hundred seventy-eight".