5661468840 has 32 divisors (see below), whose sum is σ = 16984406880. Its totient is φ = 1509724992.

The previous prime is 5661468833. The next prime is 5661468863. The reversal of 5661468840 is 488641665.

It is a self number, because there is not a number n which added to its sum of digits gives 5661468840.

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, 23589334 + ... + 23589573.

It is an arithmetic number, because the mean of its divisors is an integer number (530762715).

Almost surely, 2^5661468840 is an apocalyptic number.

It is an amenable number.

5661468840 is an abundant number, since it is smaller than the sum of its proper divisors (11322938040).

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

5661468840 is a wasteful number, since it uses less digits than its factorization.

5661468840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47178921 (or 47178917 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 5661468840 is about 75242.7328052351. The cubic root of 5661468840 is about 1782.2818062390.

The spelling of 5661468840 in words is "five billion, six hundred sixty-one million, four hundred sixty-eight thousand, eight hundred forty".