40799305765 has 16 divisors (see below), whose sum is σ = 49098265200. Its totient is φ = 32546787840.

The previous prime is 40799305759. The next prime is 40799305769. The reversal of 40799305765 is 56750399704.

It can be written as a sum of positive squares in 8 ways, for example, as 23923736929 + 16875568836 = 154673^2 + 129906^2 .

It is not a de Polignac number, because 40799305765 - 2⁵ = 40799305733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799305769) 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, 7484761 + ... + 7490209.

It is an arithmetic number, because the mean of its divisors is an integer number (3068641575).

Almost surely, 2^40799305765 is an apocalyptic number.

It is an amenable number.

40799305765 is a deficient number, since it is larger than the sum of its proper divisors (8298959435).

40799305765 is a wasteful number, since it uses less digits than its factorization.

40799305765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432.

The product of its (nonzero) digits is 7144200, while the sum is 55.

The spelling of 40799305765 in words is "forty billion, seven hundred ninety-nine million, three hundred five thousand, seven hundred sixty-five".