52464016440 has 128 divisors (see below), whose sum is σ = 190778284800. Its totient is φ = 12718546560.

The previous prime is 52464016427. The next prime is 52464016441. The reversal of 52464016440 is 4461046425.

52464016440 is a `hidden beast` number, since 5 + 2 + 4 + 6 + 4 + 0 + 1 + 644 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 52464016395 and 52464016404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52464016441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2196202 + ... + 2219961.

It is an arithmetic number, because the mean of its divisors is an integer number (1490455350).

Almost surely, 2^52464016440 is an apocalyptic number.

It is an amenable number.

52464016440 is an abundant number, since it is smaller than the sum of its proper divisors (138314268360).

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

52464016440 is a wasteful number, since it uses less digits than its factorization.

52464016440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416194 (or 4416184 counting only the distinct ones).

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

The spelling of 52464016440 in words is "fifty-two billion, four hundred sixty-four million, sixteen thousand, four hundred forty".