13625926420 has 12 divisors (see below), whose sum is σ = 28614445524. Its totient is φ = 5450370560.

The previous prime is 13625926417. The next prime is 13625926421. The reversal of 13625926420 is 2462952631.

It can be written as a sum of positive squares in 2 ways, for example, as 6941555856 + 6684370564 = 83316^2 + 81758^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625926421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340648141 + ... + 340648180.

It is an arithmetic number, because the mean of its divisors is an integer number (2384537127).

Almost surely, 2^13625926420 is an apocalyptic number.

13625926420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13625926420 is an abundant number, since it is smaller than the sum of its proper divisors (14988519104).

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

13625926420 is a wasteful number, since it uses less digits than its factorization.

13625926420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296330 (or 681296328 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 13625926420 in words is "thirteen billion, six hundred twenty-five million, nine hundred twenty-six thousand, four hundred twenty".