40804925472 has 144 divisors (see below), whose sum is σ = 120517750080. Its totient is φ = 13581188352.

The previous prime is 40804925471. The next prime is 40804925479. The reversal of 40804925472 is 27452940804.

40804925472 is a `hidden beast` number, since 40 + 8 + 0 + 492 + 54 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (40804925471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5696229 + ... + 5703387.

It is an arithmetic number, because the mean of its divisors is an integer number (836928820).

Almost surely, 2^40804925472 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 40804925472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60258875040).

40804925472 is an abundant number, since it is smaller than the sum of its proper divisors (79712824608).

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

40804925472 is an equidigital number, since it uses as much as digits as its factorization.

40804925472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917 (or 7897 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40804925472 in words is "forty billion, eight hundred four million, nine hundred twenty-five thousand, four hundred seventy-two".