13402356500 has 96 divisors (see below), whose sum is σ = 31701196800. Its totient is φ = 4920489600.

The previous prime is 13402356481. The next prime is 13402356523. The reversal of 13402356500 is 565320431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157741 + ... + 1169259.

It is an arithmetic number, because the mean of its divisors is an integer number (330220800).

Almost surely, 2^13402356500 is an apocalyptic number.

13402356500 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 13402356500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15850598400).

13402356500 is an abundant number, since it is smaller than the sum of its proper divisors (18298840300).

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

13402356500 is a wasteful number, since it uses less digits than its factorization.

13402356500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730 (or 11718 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13402356500 its reverse (565320431), we get a palindrome (13967676931).

The spelling of 13402356500 in words is "thirteen billion, four hundred two million, three hundred fifty-six thousand, five hundred".