5266943920 has 40 divisors (see below), whose sum is σ = 13995023904. Its totient is φ = 1805809152.

The previous prime is 5266943917. The next prime is 5266943971. The reversal of 5266943920 is 293496625.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 4702069 + ... + 4703188.

Almost surely, 2^5266943920 is an apocalyptic number.

It is an amenable number.

5266943920 is an abundant number, since it is smaller than the sum of its proper divisors (8728079984).

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

5266943920 is a wasteful number, since it uses less digits than its factorization.

5266943920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405277 (or 9405271 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 5266943920 is about 72573.7136985562. The cubic root of 5266943920 is about 1739.8810770001.

The spelling of 5266943920 in words is "five billion, two hundred sixty-six million, nine hundred forty-three thousand, nine hundred twenty".