5623631540 has 24 divisors (see below), whose sum is σ = 11821754952. Its totient is φ = 2247142400.

The previous prime is 5623631459. The next prime is 5623631549. The reversal of 5623631540 is 451363265.

It can be written as a sum of positive squares in 4 ways, for example, as 2684690596 + 2938940944 = 51814^2 + 54212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5623631540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623631549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124361 + ... + 163440.

It is an arithmetic number, because the mean of its divisors is an integer number (492573123).

Almost surely, 2^5623631540 is an apocalyptic number.

It is an amenable number.

5623631540 is an abundant number, since it is smaller than the sum of its proper divisors (6198123412).

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

5623631540 is a wasteful number, since it uses less digits than its factorization.

5623631540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288787 (or 288785 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 5623631540 is about 74990.8763783969. The cubic root of 5623631540 is about 1778.3024193269.

The spelling of 5623631540 in words is "five billion, six hundred twenty-three million, six hundred thirty-one thousand, five hundred forty".