40873704432 has 160 divisors (see below), whose sum is σ = 120334726656. Its totient is φ = 11833958400.

The previous prime is 40873704413. The next prime is 40873704439. The reversal of 40873704432 is 23440737804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40873704439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16526748 + ... + 16529220.

Almost surely, 2^40873704432 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 40873704432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60167363328).

40873704432 is an abundant number, since it is smaller than the sum of its proper divisors (79461022224).

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

40873704432 is a wasteful number, since it uses less digits than its factorization.

40873704432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 40873704432 in words is "forty billion, eight hundred seventy-three million, seven hundred four thousand, four hundred thirty-two".