40264773442517 has 12 divisors (see below), whose sum is σ = 43600791875364. Its totient is φ = 37167078199680.

The previous prime is 40264773442429. The next prime is 40264773442549. The reversal of 40264773442517 is 71524437746204.

It can be written as a sum of positive squares in 6 ways, for example, as 4421729989681 + 35843043452836 = 2102791^2 + 5986906^2 .

It is not a de Polignac number, because 40264773442517 - 2²² = 40264769248213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40264773442567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14850767 + ... + 17351507.

It is an arithmetic number, because the mean of its divisors is an integer number (3633399322947).

Almost surely, 2^{40264773442517} is an apocalyptic number.

It is an amenable number.

40264773442517 is a deficient number, since it is larger than the sum of its proper divisors (3336018432847).

40264773442517 is a wasteful number, since it uses less digits than its factorization.

40264773442517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596040 (or 2596027 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 56.

The spelling of 40264773442517 in words is "forty trillion, two hundred sixty-four billion, seven hundred seventy-three million, four hundred forty-two thousand, five hundred seventeen".