40079266057 has 4 divisors (see below), whose sum is σ = 40166967316. Its totient is φ = 39991564800.

The previous prime is 40079266049. The next prime is 40079266061. The reversal of 40079266057 is 75066297004.

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 18789829776 + 21289436281 = 137076^2 + 145909^2 .

It is a cyclic number.

It is not a de Polignac number, because 40079266057 - 2³ = 40079266049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40079265998 and 40079266016.

It is not an unprimeable number, because it can be changed into a prime (40079266037) 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, 43849944 + ... + 43850857.

It is an arithmetic number, because the mean of its divisors is an integer number (10041741829).

Almost surely, 2^40079266057 is an apocalyptic number.

It is an amenable number.

40079266057 is a deficient number, since it is larger than the sum of its proper divisors (87701259).

40079266057 is an equidigital number, since it uses as much as digits as its factorization.

40079266057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87701258.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 40079266057 in words is "forty billion, seventy-nine million, two hundred sixty-six thousand, fifty-seven".