40744457928 has 96 divisors (see below), whose sum is σ = 112115203200. Its totient is φ = 13365316224.

The previous prime is 40744457867. The next prime is 40744457939. The reversal of 40744457928 is 82975444704.

40744457928 is a `hidden beast` number, since 4 + 0 + 7 + 4 + 44 + 579 + 28 = 666.

40744457928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40744457928² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1734550 + ... + 1757882.

It is an arithmetic number, because the mean of its divisors is an integer number (1167866700).

Almost surely, 2^40744457928 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 40744457928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56057601600).

40744457928 is an abundant number, since it is smaller than the sum of its proper divisors (71370745272).

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

40744457928 is a wasteful number, since it uses less digits than its factorization.

40744457928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23731 (or 23724 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 40744457928 in words is "forty billion, seven hundred forty-four million, four hundred fifty-seven thousand, nine hundred twenty-eight".