40990195674 has 12 divisors (see below), whose sum is σ = 88812090666. Its totient is φ = 13663398552.

The previous prime is 40990195663. The next prime is 40990195679. The reversal of 40990195674 is 47659109904.

It is a happy number.

40990195674 is a `hidden beast` number, since 409 + 90 + 1 + 95 + 67 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33345316449 + 7644879225 = 182607^2 + 87435^2 .

It is a super-2 number, since 2×40990195674² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40990195674.

It is not an unprimeable number, because it can be changed into a prime (40990195679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1138616529 + ... + 1138616564.

Almost surely, 2^40990195674 is an apocalyptic number.

40990195674 is an abundant number, since it is smaller than the sum of its proper divisors (47821894992).

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

40990195674 is a wasteful number, since it uses less digits than its factorization.

40990195674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277233101 (or 2277233098 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 40990195674 in words is "forty billion, nine hundred ninety million, one hundred ninety-five thousand, six hundred seventy-four".