40518599475 has 12 divisors (see below), whose sum is σ = 66990751256. Its totient is φ = 21609919680.

The previous prime is 40518599453. The next prime is 40518599531. The reversal of 40518599475 is 57499581504.

It is a happy number.

40518599475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40518599475 - 2¹⁸ = 40518337331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270123922 + ... + 270124071.

Almost surely, 2^40518599475 is an apocalyptic number.

40518599475 is a deficient number, since it is larger than the sum of its proper divisors (26472151781).

40518599475 is a wasteful number, since it uses less digits than its factorization.

40518599475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540248006 (or 540248001 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 40518599475 in words is "forty billion, five hundred eighteen million, five hundred ninety-nine thousand, four hundred seventy-five".