40450117677 has 16 divisors (see below), whose sum is σ = 54443481600. Its totient is φ = 26712945072.

The previous prime is 40450117661. The next prime is 40450117691. The reversal of 40450117677 is 77671105404.

It is not a de Polignac number, because 40450117677 - 2⁴ = 40450117661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450117277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13723 + ... + 284760.

It is an arithmetic number, because the mean of its divisors is an integer number (3402717600).

Almost surely, 2^40450117677 is an apocalyptic number.

It is an amenable number.

40450117677 is a deficient number, since it is larger than the sum of its proper divisors (13993363923).

40450117677 is a wasteful number, since it uses less digits than its factorization.

40450117677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298912.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 40450117677 in words is "forty billion, four hundred fifty million, one hundred seventeen thousand, six hundred seventy-seven".