5666042040 has 64 divisors (see below), whose sum is σ = 17584279200. Its totient is φ = 1458842112.

The previous prime is 5666042021. The next prime is 5666042087. The reversal of 5666042040 is 402406665.

It is a junction number, because it is equal to n+sod(n) for n = 5666041992 and 5666042010.

It is a congruent number.

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, 810607 + ... + 817566.

Almost surely, 2^5666042040 is an apocalyptic number.

It is an amenable number.

5666042040 is an abundant number, since it is smaller than the sum of its proper divisors (11918237160).

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

5666042040 is a wasteful number, since it uses less digits than its factorization.

5666042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628216 (or 1628212 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 5666042040 is about 75273.1163165177. The cubic root of 5666042040 is about 1782.7615720451.

The spelling of 5666042040 in words is "five billion, six hundred sixty-six million, forty-two thousand, forty".