40707157566 has 32 divisors (see below), whose sum is σ = 82231987968. Its totient is φ = 13432861440.

The previous prime is 40707157559. The next prime is 40707157607. The reversal of 40707157566 is 66575170704.

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, 2226201 + ... + 2244411.

It is an arithmetic number, because the mean of its divisors is an integer number (2569749624).

Almost surely, 2^40707157566 is an apocalyptic number.

40707157566 is an abundant number, since it is smaller than the sum of its proper divisors (41524830402).

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

40707157566 is a wasteful number, since it uses less digits than its factorization.

40707157566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21936.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 40707157566 in words is "forty billion, seven hundred seven million, one hundred fifty-seven thousand, five hundred sixty-six".