40631144646364 has 12 divisors (see below), whose sum is σ = 71104580906688. Its totient is φ = 20315550101600.

The previous prime is 40631144646343. The next prime is 40631144646373. The reversal of 40631144646364 is 46364644113604.

40631144646364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1032172 + ... + 9073459.

It is an arithmetic number, because the mean of its divisors is an integer number (5925381742224).

Almost surely, 2^{40631144646364} is an apocalyptic number.

It is an amenable number.

40631144646364 is a deficient number, since it is larger than the sum of its proper divisors (30473436260324).

40631144646364 is a wasteful number, since it uses less digits than its factorization.

40631144646364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110796 (or 11110794 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 52.

Adding to 40631144646364 its reverse (46364644113604), we get a palindrome (86995788759968).

The spelling of 40631144646364 in words is "forty trillion, six hundred thirty-one billion, one hundred forty-four million, six hundred forty-six thousand, three hundred sixty-four".