52146621174420 has 144 divisors (see below), whose sum is σ = 166822836223680. Its totient is φ = 13148597030400.

The previous prime is 52146621174419. The next prime is 52146621174449. The reversal of 52146621174420 is 2447112664125.

52146621174420 is a `hidden beast` number, since 5 + 2 + 1 + 4 + 6 + 6 + 211 + 7 + 4 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12851146 + ... + 16414785.

It is an arithmetic number, because the mean of its divisors is an integer number (1158491918220).

Almost surely, 2^{52146621174420} is an apocalyptic number.

It is an amenable number.

52146621174420 is an abundant number, since it is smaller than the sum of its proper divisors (114676215049260).

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

52146621174420 is a wasteful number, since it uses less digits than its factorization.

52146621174420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29266486 (or 29266481 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 52146621174420 in words is "fifty-two trillion, one hundred forty-six billion, six hundred twenty-one million, one hundred seventy-four thousand, four hundred twenty".