5811866240 has 64 divisors (see below), whose sum is σ = 14217176160. Its totient is φ = 2270671872.

The previous prime is 5811866231. The next prime is 5811866273. The reversal of 5811866240 is 426681185.

It is a tau number, because it is divible by the number of its divisors (64).

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, 78074 + ... + 133113.

Almost surely, 2^5811866240 is an apocalyptic number.

It is an amenable number.

5811866240 is an abundant number, since it is smaller than the sum of its proper divisors (8405309920).

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

5811866240 is a wasteful number, since it uses less digits than its factorization.

5811866240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211249 (or 211237 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 5811866240 is about 76235.5969347653. The cubic root of 5811866240 is about 1797.9262372698.

The spelling of 5811866240 in words is "five billion, eight hundred eleven million, eight hundred sixty-six thousand, two hundred forty".