14131515132440 has 64 divisors (see below), whose sum is σ = 31980499911360. Its totient is φ = 5619807336960.

The previous prime is 14131515132421. The next prime is 14131515132521. The reversal of 14131515132440 is 4423151513141.

14131515132440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 14131515132440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25844114 + ... + 26385246.

It is an arithmetic number, because the mean of its divisors is an integer number (499695311115).

Almost surely, 2^{14131515132440} is an apocalyptic number.

14131515132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14131515132440 is an abundant number, since it is smaller than the sum of its proper divisors (17848984778920).

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

14131515132440 is a wasteful number, since it uses less digits than its factorization.

14131515132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544932 (or 544928 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 14131515132440 its reverse (4423151513141), we get a palindrome (18554666645581).

The spelling of 14131515132440 in words is "fourteen trillion, one hundred thirty-one billion, five hundred fifteen million, one hundred thirty-two thousand, four hundred forty".