52247121776400 has 120 divisors (see below), whose sum is σ = 167372324119584. Its totient is φ = 13931951667200.

The previous prime is 52247121776303. The next prime is 52247121776411. The reversal of 52247121776400 is 467712174225.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 52247121776400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26605087 + ... + 28501313.

Almost surely, 2^{52247121776400} is an apocalyptic number.

52247121776400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52247121776400 is an abundant number, since it is smaller than the sum of its proper divisors (115125202343184).

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

52247121776400 is a wasteful number, since it uses less digits than its factorization.

52247121776400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919209 (or 1919198 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 52247121776400 in words is "fifty-two trillion, two hundred forty-seven billion, one hundred twenty-one million, seven hundred seventy-six thousand, four hundred".