40024464426 has 24 divisors (see below), whose sum is σ = 87578287524. Its totient is φ = 13209393600.

The previous prime is 40024464373. The next prime is 40024464439. The reversal of 40024464426 is 62446442004.

40024464426 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 4 + 4 + 644 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40019602401 + 4862025 = 200049^2 + 2205^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11006011 + ... + 11009646.

Almost surely, 2^40024464426 is an apocalyptic number.

40024464426 is an abundant number, since it is smaller than the sum of its proper divisors (47553823098).

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

40024464426 is a wasteful number, since it uses less digits than its factorization.

40024464426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22015766 (or 22015763 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 40024464426 in words is "forty billion, twenty-four million, four hundred sixty-four thousand, four hundred twenty-six".