40685885412 has 24 divisors (see below), whose sum is σ = 95046907200. Its totient is φ = 13545794016.

The previous prime is 40685885399. The next prime is 40685885431. The reversal of 40685885412 is 21458858604.

40685885412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2010487 + ... + 2030622.

It is an arithmetic number, because the mean of its divisors is an integer number (3960287800).

Almost surely, 2^40685885412 is an apocalyptic number.

It is an amenable number.

40685885412 is an abundant number, since it is smaller than the sum of its proper divisors (54361021788).

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

40685885412 is a wasteful number, since it uses less digits than its factorization.

40685885412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041955 (or 4041953 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 40685885412 in words is "forty billion, six hundred eighty-five million, eight hundred eighty-five thousand, four hundred twelve".