5604566440 has 64 divisors (see below), whose sum is σ = 13817511360. Its totient is φ = 2029009920.

The previous prime is 5604566431. The next prime is 5604566467. The reversal of 5604566440 is 446654065.

It is a super-2 number, since 2×5604566440² = 62822329960748547200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5604566393 and 5604566402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71824 + ... + 127936.

It is an arithmetic number, because the mean of its divisors is an integer number (215898615).

Almost surely, 2^5604566440 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 5604566440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6908755680).

5604566440 is an abundant number, since it is smaller than the sum of its proper divisors (8212944920).

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

5604566440 is a wasteful number, since it uses less digits than its factorization.

5604566440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56362 (or 56358 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 5604566440 is about 74863.6523287503. The cubic root of 5604566440 is about 1776.2905581008.

The spelling of 5604566440 in words is "five billion, six hundred four million, five hundred sixty-six thousand, four hundred forty".