52120444200660 has 144 divisors (see below), whose sum is σ = 172473700194432. Its totient is φ = 12635082489600.

The previous prime is 52120444200581. The next prime is 52120444200673. The reversal of 52120444200660 is 6600244402125.

52120444200660 is a `hidden beast` number, since 5 + 2 + 1 + 2 + 0 + 444 + 200 + 6 + 6 + 0 = 666.

It is a super-2 number, since 2×52120444200660² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 192175950 + ... + 192446970.

It is an arithmetic number, because the mean of its divisors is an integer number (1197734029128).

Almost surely, 2^{52120444200660} is an apocalyptic number.

It is an amenable number.

52120444200660 is an abundant number, since it is smaller than the sum of its proper divisors (120353255993772).

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

52120444200660 is a wasteful number, since it uses less digits than its factorization.

52120444200660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368174 (or 368169 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 52120444200660 its reverse (6600244402125), we get a palindrome (58720688602785).

The spelling of 52120444200660 in words is "fifty-two trillion, one hundred twenty billion, four hundred forty-four million, two hundred thousand, six hundred sixty".