40038288040 has 16 divisors (see below), whose sum is σ = 90086148180. Its totient is φ = 16015315200.

The previous prime is 40038288007. The next prime is 40038288053. The reversal of 40038288040 is 4088283004.

40038288040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38969128836 + 1069159204 = 197406^2 + 32698^2 .

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, 500478561 + ... + 500478640.

Almost surely, 2^40038288040 is an apocalyptic number.

40038288040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40038288040 is an abundant number, since it is smaller than the sum of its proper divisors (50047860140).

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

40038288040 is a wasteful number, since it uses less digits than its factorization.

40038288040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000957212 (or 1000957208 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 40038288040 in words is "forty billion, thirty-eight million, two hundred eighty-eight thousand, forty".