40205525412 has 48 divisors (see below), whose sum is σ = 104513048640. Its totient is φ = 11944345728.

The previous prime is 40205525401. The next prime is 40205525431. The reversal of 40205525412 is 21452550204.

40205525412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40205525412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4439058 + ... + 4448105.

It is an arithmetic number, because the mean of its divisors is an integer number (2177355180).

Almost surely, 2^40205525412 is an apocalyptic number.

It is an amenable number.

40205525412 is an abundant number, since it is smaller than the sum of its proper divisors (64307523228).

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

40205525412 is a wasteful number, since it uses less digits than its factorization.

40205525412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887212 (or 8887210 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 40205525412 in words is "forty billion, two hundred five million, five hundred twenty-five thousand, four hundred twelve".