52440180 has 48 divisors (see below), whose sum is σ = 158129664. Its totient is φ = 12908160.

The previous prime is 52440173. The next prime is 52440187. The reversal of 52440180 is 8104425.

It is an interprime number because it is at equal distance from previous prime (52440173) and next prime (52440187).

It is a self number, because there is not a number n which added to its sum of digits gives 52440180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32836 + ... + 34395.

It is an arithmetic number, because the mean of its divisors is an integer number (3294368).

Almost surely, 2^52440180 is an apocalyptic number.

It is an amenable number.

52440180 is an abundant number, since it is smaller than the sum of its proper divisors (105689484).

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

52440180 is a wasteful number, since it uses less digits than its factorization.

52440180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67256 (or 67254 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 52440180 is about 7241.5592243660. The cubic root of 52440180 is about 374.3013480585.

It can be divided in two parts, 524 and 40180, that added together give a palindrome (40704).

The spelling of 52440180 in words is "fifty-two million, four hundred forty thousand, one hundred eighty".