52397832240 has 120 divisors (see below), whose sum is σ = 189505527120. Its totient is φ = 12897925632.

The previous prime is 52397832203. The next prime is 52397832251. The reversal of 52397832240 is 4223879325.

52397832240 is a `hidden beast` number, since 523 + 9 + 7 + 83 + 2 + 2 + 40 = 666.

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 (45).

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, 2789670 + ... + 2808389.

It is an arithmetic number, because the mean of its divisors is an integer number (1579212726).

Almost surely, 2^52397832240 is an apocalyptic number.

It is an amenable number.

52397832240 is an abundant number, since it is smaller than the sum of its proper divisors (137107694880).

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

52397832240 is a wasteful number, since it uses less digits than its factorization.

52397832240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598091 (or 5598082 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 52397832240 in words is "fifty-two billion, three hundred ninety-seven million, eight hundred thirty-two thousand, two hundred forty".