5640224544 has 72 divisors (see below), whose sum is σ = 16147158300. Its totient is φ = 1867442688.

The previous prime is 5640224539. The next prime is 5640224549. The reversal of 5640224544 is 4454220465.

5640224544 is a `hidden beast` number, since 5 + 6 + 402 + 245 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (5640224539) and next prime (5640224549).

It can be written as a sum of positive squares in 2 ways, for example, as 5359996944 + 280227600 = 73212^2 + 16740^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 = 5640224499 and 5640224508.

It is not an unprimeable number, because it can be changed into a prime (5640224549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22807 + ... + 108630.

Almost surely, 2^5640224544 is an apocalyptic number.

It is an amenable number.

5640224544 is an abundant number, since it is smaller than the sum of its proper divisors (10506933756).

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

5640224544 is a wasteful number, since it uses less digits than its factorization.

5640224544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131602 (or 131591 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The square root of 5640224544 is about 75101.4283752313. The cubic root of 5640224544 is about 1780.0497128732.

The spelling of 5640224544 in words is "five billion, six hundred forty million, two hundred twenty-four thousand, five hundred forty-four".