40800773792 has 48 divisors (see below), whose sum is σ = 82694476872. Its totient is φ = 19801635840.

The previous prime is 40800773777. The next prime is 40800773803. The reversal of 40800773792 is 29737700804.

It can be written as a sum of positive squares in 4 ways, for example, as 37727623696 + 3073150096 = 194236^2 + 55436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457538 + ... + 539390.

Almost surely, 2^40800773792 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 40800773792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41347238436).

40800773792 is an abundant number, since it is smaller than the sum of its proper divisors (41893703080).

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

40800773792 is a wasteful number, since it uses less digits than its factorization.

40800773792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82321 (or 82313 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 40800773792 in words is "forty billion, eight hundred million, seven hundred seventy-three thousand, seven hundred ninety-two".