40353418417 has 4 divisors (see below), whose sum is σ = 43457527540. Its totient is φ = 37249309296.

The previous prime is 40353418411. The next prime is 40353418453. The reversal of 40353418417 is 71481435304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15388154401 + 24965264016 = 124049^2 + 158004^2 .

It is a cyclic number.

It is not a de Polignac number, because 40353418417 - 2³¹ = 38205934769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40353418417.

It is not an unprimeable number, because it can be changed into a prime (40353418411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552054542 + ... + 1552054567.

It is an arithmetic number, because the mean of its divisors is an integer number (10864381885).

Almost surely, 2^40353418417 is an apocalyptic number.

It is an amenable number.

40353418417 is a deficient number, since it is larger than the sum of its proper divisors (3104109123).

40353418417 is a wasteful number, since it uses less digits than its factorization.

40353418417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104109122.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 40353418417 in words is "forty billion, three hundred fifty-three million, four hundred eighteen thousand, four hundred seventeen".