40417279513 has 4 divisors (see below), whose sum is σ = 43526301028. Its totient is φ = 37308258000.

The previous prime is 40417279451. The next prime is 40417279523. The reversal of 40417279513 is 31597271404.

40417279513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4479357184 + 35937922329 = 66928^2 + 189573^2 .

It is not a de Polignac number, because 40417279513 - 2²¹ = 40415182361 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 40417279513.

It is not an unprimeable number, because it can be changed into a prime (40417279523) 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, 1554510738 + ... + 1554510763.

It is an arithmetic number, because the mean of its divisors is an integer number (10881575257).

Almost surely, 2^40417279513 is an apocalyptic number.

It is an amenable number.

40417279513 is a deficient number, since it is larger than the sum of its proper divisors (3109021515).

40417279513 is a wasteful number, since it uses less digits than its factorization.

40417279513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109021514.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 40417279513 in words is "forty billion, four hundred seventeen million, two hundred seventy-nine thousand, five hundred thirteen".