252783770424 has 64 divisors (see below), whose sum is σ = 635962199040. Its totient is φ = 83727903360.

The previous prime is 252783770423. The next prime is 252783770429. The reversal of 252783770424 is 424077387252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252783770423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13862577 + ... + 13880799.

It is an arithmetic number, because the mean of its divisors is an integer number (9936909360).

Almost surely, 2^252783770424 is an apocalyptic number.

252783770424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252783770424 is an abundant number, since it is smaller than the sum of its proper divisors (383178428616).

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

252783770424 is a wasteful number, since it uses less digits than its factorization.

252783770424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21860 (or 21856 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 252783770424 in words is "two hundred fifty-two billion, seven hundred eighty-three million, seven hundred seventy thousand, four hundred twenty-four".