15413434240 has 64 divisors (see below), whose sum is σ = 36947100960. Its totient is φ = 6148749312.

The previous prime is 15413434213. The next prime is 15413434243. The reversal of 15413434240 is 4243431451.

15413434240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15413434243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206437 + ... + 271003.

Almost surely, 2^15413434240 is an apocalyptic number.

15413434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15413434240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18473550480).

15413434240 is an abundant number, since it is smaller than the sum of its proper divisors (21533666720).

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

15413434240 is an equidigital number, since it uses as much as digits as its factorization.

15413434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64959 (or 64947 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 15413434240 its reverse (4243431451), we get a palindrome (19656865691).

The spelling of 15413434240 in words is "fifteen billion, four hundred thirteen million, four hundred thirty-four thousand, two hundred forty".