13626623420 has 24 divisors (see below), whose sum is σ = 28618730448. Its totient is φ = 5450112000.

The previous prime is 13626623419. The next prime is 13626623453. The reversal of 13626623420 is 2432662631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221660 + ... + 276380.

It is an arithmetic number, because the mean of its divisors is an integer number (1192447102).

Almost surely, 2^13626623420 is an apocalyptic number.

13626623420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13626623420 is an abundant number, since it is smaller than the sum of its proper divisors (14992107028).

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

13626623420 is a wasteful number, since it uses less digits than its factorization.

13626623420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67181 (or 67179 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 13626623420 in words is "thirteen billion, six hundred twenty-six million, six hundred twenty-three thousand, four hundred twenty".