40108840420 has 36 divisors (see below), whose sum is σ = 92581816572. Its totient is φ = 14585032000.

The previous prime is 40108840411. The next prime is 40108840463. The reversal of 40108840420 is 2404880104.

40108840420 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 12182419876 + 27926420544 = 110374^2 + 167112^2 .

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, 8284531 + ... + 8289370.

It is an arithmetic number, because the mean of its divisors is an integer number (2571717127).

Almost surely, 2^40108840420 is an apocalyptic number.

It is an amenable number.

40108840420 is an abundant number, since it is smaller than the sum of its proper divisors (52472976152).

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

40108840420 is a wasteful number, since it uses less digits than its factorization.

40108840420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573932 (or 16573919 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The spelling of 40108840420 in words is "forty billion, one hundred eight million, eight hundred forty thousand, four hundred twenty".