40065401133156 has 24 divisors (see below), whose sum is σ = 106841069688640. Its totient is φ = 11447257466592.

The previous prime is 40065401133139. The next prime is 40065401133157. The reversal of 40065401133156 is 65133110456004.

It is not an unprimeable number, because it can be changed into a prime (40065401133157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238484530471 + ... + 238484530638.

Almost surely, 2^{40065401133156} is an apocalyptic number.

It is an amenable number.

40065401133156 is an abundant number, since it is smaller than the sum of its proper divisors (66775668555484).

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

40065401133156 is a wasteful number, since it uses less digits than its factorization.

40065401133156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476969061123 (or 476969061121 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 40065401133156 in words is "forty trillion, sixty-five billion, four hundred one million, one hundred thirty-three thousand, one hundred fifty-six".