40043604500 has 48 divisors (see below), whose sum is σ = 87654927360. Its totient is φ = 15980868000.

The previous prime is 40043604493. The next prime is 40043604539. The reversal of 40043604500 is 540634004.

It is a super-2 number, since 2×40043604500² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40043604500.

It is a congruent number.

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, 128285 + ... + 310715.

It is an arithmetic number, because the mean of its divisors is an integer number (1826144320).

Almost surely, 2^40043604500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40043604500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43827463680).

40043604500 is an abundant number, since it is smaller than the sum of its proper divisors (47611322860).

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

40043604500 is a wasteful number, since it uses less digits than its factorization.

40043604500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182889 (or 182877 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 40043604500 in words is "forty billion, forty-three million, six hundred four thousand, five hundred".