40424488864 has 24 divisors (see below), whose sum is σ = 80373696228. Its totient is φ = 20012121600.

The previous prime is 40424488859. The next prime is 40424488883. The reversal of 40424488864 is 46888442404.

It can be written as a sum of positive squares in 2 ways, for example, as 34692787600 + 5731701264 = 186260^2 + 75708^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250557 + ... + 6257020.

Almost surely, 2^40424488864 is an apocalyptic number.

It is an amenable number.

40424488864 is a deficient number, since it is larger than the sum of its proper divisors (39949207364).

40424488864 is a wasteful number, since it uses less digits than its factorization.

40424488864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507688 (or 12507680 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 52.

The spelling of 40424488864 in words is "forty billion, four hundred twenty-four million, four hundred eighty-eight thousand, eight hundred sixty-four".