40288929266305 has 24 divisors (see below), whose sum is σ = 51365660981112. Its totient is φ = 30330626936832.

The previous prime is 40288929266291. The next prime is 40288929266309. The reversal of 40288929266305 is 50366292988204.

It can be written as a sum of positive squares in 12 ways, for example, as 19522470643776 + 20766458622529 = 4418424^2 + 4557023^2 .

It is not a de Polignac number, because 40288929266305 - 2²⁵ = 40288895711873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40288929266309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7518169 + ... + 11709001.

It is an arithmetic number, because the mean of its divisors is an integer number (2140235874213).

Almost surely, 2^{40288929266305} is an apocalyptic number.

It is an amenable number.

40288929266305 is a deficient number, since it is larger than the sum of its proper divisors (11076731714807).

40288929266305 is a wasteful number, since it uses less digits than its factorization.

40288929266305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197525 (or 4197508 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 64.

The spelling of 40288929266305 in words is "forty trillion, two hundred eighty-eight billion, nine hundred twenty-nine million, two hundred sixty-six thousand, three hundred five".