40204012112 has 40 divisors (see below), whose sum is σ = 85008993600. Its totient is φ = 18267598080.

The previous prime is 40204012091. The next prime is 40204012159. The reversal of 40204012112 is 21121040204.

It is a congruent number.

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, 435389 + ... + 519587.

It is an arithmetic number, because the mean of its divisors is an integer number (2125224840).

Almost surely, 2^40204012112 is an apocalyptic number.

It is an amenable number.

40204012112 is an abundant number, since it is smaller than the sum of its proper divisors (44804981488).

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

40204012112 is a wasteful number, since it uses less digits than its factorization.

40204012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86931 (or 86925 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 40204012112 its reverse (21121040204), we get a palindrome (61325052316).

The spelling of 40204012112 in words is "forty billion, two hundred four million, twelve thousand, one hundred twelve".