52502432040 has 128 divisors (see below), whose sum is σ = 180653644800. Its totient is φ = 13549006080.

The previous prime is 52502432029. The next prime is 52502432041. The reversal of 52502432040 is 4023420525.

It is a happy number.

It is a super-2 number, since 2×52502432040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52502431995 and 52502432013.

It is not an unprimeable number, because it can be changed into a prime (52502432041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750607 + ... + 817566.

It is an arithmetic number, because the mean of its divisors is an integer number (1411356600).

Almost surely, 2^52502432040 is an apocalyptic number.

It is an amenable number.

52502432040 is an abundant number, since it is smaller than the sum of its proper divisors (128151212760).

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

52502432040 is a wasteful number, since it uses less digits than its factorization.

52502432040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568224 (or 1568214 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 52502432040 its reverse (4023420525), we get a palindrome (56525852565).

The spelling of 52502432040 in words is "fifty-two billion, five hundred two million, four hundred thirty-two thousand, forty".