40424064008 has 16 divisors (see below), whose sum is σ = 75842134380. Its totient is φ = 20199494848.

The previous prime is 40424064001. The next prime is 40424064011. The reversal of 40424064008 is 80046042404.

It can be written as a sum of positive squares in 2 ways, for example, as 39665502244 + 758561764 = 199162^2 + 27542^2 .

It is not an unprimeable number, because it can be changed into a prime (40424064001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553435 + ... + 1579242.

Almost surely, 2^40424064008 is an apocalyptic number.

It is an amenable number.

40424064008 is a deficient number, since it is larger than the sum of its proper divisors (35418070372).

40424064008 is a wasteful number, since it uses less digits than its factorization.

40424064008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134296 (or 3134292 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 40424064008 in words is "forty billion, four hundred twenty-four million, sixty-four thousand, eight".