40555789892 has 12 divisors (see below), whose sum is σ = 70979007036. Its totient is φ = 20276073600.

The previous prime is 40555789889. The next prime is 40555789931. The reversal of 40555789892 is 29898755504.

It can be written as a sum of positive squares in 2 ways, for example, as 17930816836 + 22624973056 = 133906^2 + 150416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404609 + ... + 494792.

It is an arithmetic number, because the mean of its divisors is an integer number (5914917253).

Almost surely, 2^40555789892 is an apocalyptic number.

It is an amenable number.

40555789892 is a deficient number, since it is larger than the sum of its proper divisors (30423217144).

40555789892 is a wasteful number, since it uses less digits than its factorization.

40555789892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910678 (or 910676 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 62.

The spelling of 40555789892 in words is "forty billion, five hundred fifty-five million, seven hundred eighty-nine thousand, eight hundred ninety-two".