40344210013240 has 96 divisors (see below), whose sum is σ = 105770496157200. Its totient is φ = 13809284697600.

The previous prime is 40344210013223. The next prime is 40344210013369. The reversal of 40344210013240 is 4231001244304.

40344210013240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 40344210013199 and 40344210013208.

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 23 ways as a sum of consecutive naturals, for example, 15946650 + ... + 18302569.

Almost surely, 2^{40344210013240} is an apocalyptic number.

40344210013240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40344210013240 is an abundant number, since it is smaller than the sum of its proper divisors (65426286143960).

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

40344210013240 is a wasteful number, since it uses less digits than its factorization.

40344210013240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34249845 (or 34249834 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40344210013240 its reverse (4231001244304), we get a palindrome (44575211257544).

The spelling of 40344210013240 in words is "forty trillion, three hundred forty-four billion, two hundred ten million, thirteen thousand, two hundred forty".