40193874882 has 24 divisors (see below), whose sum is σ = 99527690496. Its totient is φ = 11483964216.

The previous prime is 40193874863. The next prime is 40193874887. The reversal of 40193874882 is 28847839104.

It is a happy number.

40193874882 is a `hidden beast` number, since 401 + 93 + 8 + 74 + 8 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (40193874887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159499378 + ... + 159499629.

It is an arithmetic number, because the mean of its divisors is an integer number (4146987104).

Almost surely, 2^40193874882 is an apocalyptic number.

40193874882 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40193874882 is an abundant number, since it is smaller than the sum of its proper divisors (59333815614).

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

40193874882 is a wasteful number, since it uses less digits than its factorization.

40193874882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318999022 (or 318999019 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 40193874882 in words is "forty billion, one hundred ninety-three million, eight hundred seventy-four thousand, eight hundred eighty-two".