40221313032344 has 16 divisors (see below), whose sum is σ = 75425874347520. Its totient is φ = 20107746539680.

The previous prime is 40221313032343. The next prime is 40221313032353. The reversal of 40221313032344 is 44323031312204.

It is a self number, because there is not a number n which added to its sum of digits gives 40221313032344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221313032343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363688319 + ... + 363798894.

It is an arithmetic number, because the mean of its divisors is an integer number (4714117146720).

Almost surely, 2^{40221313032344} is an apocalyptic number.

It is an amenable number.

40221313032344 is a deficient number, since it is larger than the sum of its proper divisors (35204561315176).

40221313032344 is a wasteful number, since it uses less digits than its factorization.

40221313032344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727494130 (or 727494126 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 40221313032344 its reverse (44323031312204), we get a palindrome (84544344344548).

The spelling of 40221313032344 in words is "forty trillion, two hundred twenty-one billion, three hundred thirteen million, thirty-two thousand, three hundred forty-four".