40185474764 has 6 divisors (see below), whose sum is σ = 70324580844. Its totient is φ = 20092737380.

The previous prime is 40185474739. The next prime is 40185474779. The reversal of 40185474764 is 46747458104.

It is a super-2 number, since 2×40185474764² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023184342 + ... + 5023184349.

It is an arithmetic number, because the mean of its divisors is an integer number (11720763474).

Almost surely, 2^40185474764 is an apocalyptic number.

It is an amenable number.

40185474764 is a deficient number, since it is larger than the sum of its proper divisors (30139106080).

40185474764 is a wasteful number, since it uses less digits than its factorization.

40185474764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046368695 (or 10046368693 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 40185474764 in words is "forty billion, one hundred eighty-five million, four hundred seventy-four thousand, seven hundred sixty-four".