40241931808 has 48 divisors (see below), whose sum is σ = 85338633240. Its totient is φ = 18569281536.

The previous prime is 40241931791. The next prime is 40241931817. The reversal of 40241931808 is 80813914204.

It can be written as a sum of positive squares in 4 ways, for example, as 28781801104 + 11460130704 = 169652^2 + 107052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108966 + ... + 3121882.

Almost surely, 2^40241931808 is an apocalyptic number.

It is an amenable number.

40241931808 is an abundant number, since it is smaller than the sum of its proper divisors (45096701432).

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

40241931808 is a wasteful number, since it uses less digits than its factorization.

40241931808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20429 (or 20421 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 40241931808 in words is "forty billion, two hundred forty-one million, nine hundred thirty-one thousand, eight hundred eight".