40480725328 has 80 divisors (see below), whose sum is σ = 83307168000. Its totient is φ = 19014589440.

The previous prime is 40480725293. The next prime is 40480725347. The reversal of 40480725328 is 82352708404.

40480725328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 28934773 + ... + 28936171.

It is an arithmetic number, because the mean of its divisors is an integer number (1041339600).

Almost surely, 2^40480725328 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 40480725328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41653584000).

40480725328 is an abundant number, since it is smaller than the sum of its proper divisors (42826442672).

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

40480725328 is a wasteful number, since it uses less digits than its factorization.

40480725328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 40480725328 in words is "forty billion, four hundred eighty million, seven hundred twenty-five thousand, three hundred twenty-eight".