13503040434400 has 144 divisors (see below), whose sum is σ = 35969464056960. Its totient is φ = 4909047897600.

The previous prime is 13503040434383. The next prime is 13503040434413. The reversal of 13503040434400 is 443404030531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37900291 + ... + 38254909.

It is an arithmetic number, because the mean of its divisors is an integer number (249787944840).

Almost surely, 2^{13503040434400} is an apocalyptic number.

13503040434400 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 13503040434400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17984732028480).

13503040434400 is an abundant number, since it is smaller than the sum of its proper divisors (22466423622560).

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

13503040434400 is a wasteful number, since it uses less digits than its factorization.

13503040434400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358977 (or 358964 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 13503040434400 its reverse (443404030531), we get a palindrome (13946444464931).

The spelling of 13503040434400 in words is "thirteen trillion, five hundred three billion, forty million, four hundred thirty-four thousand, four hundred".