5257208663244 has 24 divisors (see below), whose sum is σ = 13629800238320. Its totient is φ = 1752402887712.

The previous prime is 5257208663207. The next prime is 5257208663249. The reversal of 5257208663244 is 4423668027525.

5257208663244 is a `hidden beast` number, since 5 + 2 + 57 + 208 + 66 + 324 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5257208663249) 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, 24338928889 + ... + 24338929104.

Almost surely, 2^{5257208663244} is an apocalyptic number.

5257208663244 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5257208663244 is an abundant number, since it is smaller than the sum of its proper divisors (8372591575076).

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

5257208663244 is a wasteful number, since it uses less digits than its factorization.

5257208663244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48677858006 (or 48677857998 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 5257208663244 in words is "five trillion, two hundred fifty-seven billion, two hundred eight million, six hundred sixty-three thousand, two hundred forty-four".