40133908044 has 36 divisors (see below), whose sum is σ = 103363749216. Its totient is φ = 13125554208.

The previous prime is 40133908033. The next prime is 40133908153. The reversal of 40133908044 is 44080933104.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40133908044² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 10515364 + ... + 10519179.

It is an arithmetic number, because the mean of its divisors is an integer number (2871215256).

Almost surely, 2^40133908044 is an apocalyptic number.

It is an amenable number.

40133908044 is an abundant number, since it is smaller than the sum of its proper divisors (63229841172).

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

40133908044 is a wasteful number, since it uses less digits than its factorization.

40133908044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034606 (or 21034601 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 40133908044 in words is "forty billion, one hundred thirty-three million, nine hundred eight thousand, forty-four".