52360040 has 32 divisors (see below), whose sum is σ = 118104480. Its totient is φ = 20891712.

The previous prime is 52360013. The next prime is 52360057. The reversal of 52360040 is 4006325.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52359994 and 52360021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17279 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (3690765).

Almost surely, 2^52360040 is an apocalyptic number.

It is an amenable number.

52360040 is an abundant number, since it is smaller than the sum of its proper divisors (65744440).

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

52360040 is a wasteful number, since it uses less digits than its factorization.

52360040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52360040 is about 7236.0237699997. The cubic root of 52360040 is about 374.1105795586.

Adding to 52360040 its reverse (4006325), we get a palindrome (56366365).

The spelling of 52360040 in words is "fifty-two million, three hundred sixty thousand, forty".