5640215184 has 120 divisors (see below), whose sum is σ = 16435890744. Its totient is φ = 1804032000.

The previous prime is 5640215177. The next prime is 5640215219. The reversal of 5640215184 is 4815120465.

It is a happy number.

5640215184 is a `hidden beast` number, since 5 + 640 + 2 + 1 + 5 + 1 + 8 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 131606784 + 5508608400 = 11472^2 + 74220^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352314 + ... + 367974.

Almost surely, 2^5640215184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5640215184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8217945372).

5640215184 is an abundant number, since it is smaller than the sum of its proper divisors (10795675560).

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

5640215184 is a wasteful number, since it uses less digits than its factorization.

5640215184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15777 (or 15768 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5640215184 is about 75101.3660594799. The cubic root of 5640215184 is about 1780.0487282036.

The spelling of 5640215184 in words is "five billion, six hundred forty million, two hundred fifteen thousand, one hundred eighty-four".