13626623490 has 32 divisors (see below), whose sum is σ = 34425155520. Its totient is φ = 3442515264.

The previous prime is 13626623489. The next prime is 13626623519. The reversal of 13626623490 is 9432662631.

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, 11952609 + ... + 11953748.

It is an arithmetic number, because the mean of its divisors is an integer number (1075786110).

Almost surely, 2^13626623490 is an apocalyptic number.

13626623490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13626623490 is an abundant number, since it is smaller than the sum of its proper divisors (20798532030).

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

13626623490 is a wasteful number, since it uses less digits than its factorization.

13626623490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23906386.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 13626623490 in words is "thirteen billion, six hundred twenty-six million, six hundred twenty-three thousand, four hundred ninety".