40265040617 has 16 divisors (see below), whose sum is σ = 43799078160. Its totient is φ = 36861124608.

The previous prime is 40265040553. The next prime is 40265040623. The reversal of 40265040617 is 71604056204.

It can be written as a sum of positive squares in 8 ways, for example, as 20324494096 + 19940546521 = 142564^2 + 141211^2 .

It is a cyclic number.

It is not a de Polignac number, because 40265040617 - 2⁶ = 40265040553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40265040817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652473 + ... + 2667609.

It is an arithmetic number, because the mean of its divisors is an integer number (2737442385).

Almost surely, 2^40265040617 is an apocalyptic number.

It is an amenable number.

40265040617 is a deficient number, since it is larger than the sum of its proper divisors (3534037543).

40265040617 is a wasteful number, since it uses less digits than its factorization.

40265040617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19420.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 40265040617 in words is "forty billion, two hundred sixty-five million, forty thousand, six hundred seventeen".