40513044867264 has 84 divisors (see below), whose sum is σ = 120424192312424. Its totient is φ = 13504348283904.

The previous prime is 40513044867233. The next prime is 40513044867307. The reversal of 40513044867264 is 46276844031504.

40513044867264 is a `hidden beast` number, since 4 + 0 + 5 + 1 + 30 + 4 + 486 + 72 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40513044867264.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302487177 + ... + 1302518280.

Almost surely, 2^{40513044867264} is an apocalyptic number.

It is an amenable number.

40513044867264 is an abundant number, since it is smaller than the sum of its proper divisors (79911147445160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40513044867264 is an equidigital number, since it uses as much as digits as its factorization.

40513044867264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605005484 (or 2605005462 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

Adding to 40513044867264 its reverse (46276844031504), we get a palindrome (86789888898768).

The spelling of 40513044867264 in words is "forty trillion, five hundred thirteen billion, forty-four million, eight hundred sixty-seven thousand, two hundred sixty-four".