13622250440 has 16 divisors (see below), whose sum is σ = 30650063580. Its totient is φ = 5448900160.

The previous prime is 13622250419. The next prime is 13622250449. The reversal of 13622250440 is 4405222631.

It can be written as a sum of positive squares in 2 ways, for example, as 13088732836 + 533517604 = 114406^2 + 23098^2 .

It is not an unprimeable number, because it can be changed into a prime (13622250449) 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, 170278091 + ... + 170278170.

Almost surely, 2^13622250440 is an apocalyptic number.

13622250440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13622250440 is an abundant number, since it is smaller than the sum of its proper divisors (17027813140).

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

13622250440 is a wasteful number, since it uses less digits than its factorization.

13622250440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340556272 (or 340556268 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 13622250440 in words is "thirteen billion, six hundred twenty-two million, two hundred fifty thousand, four hundred forty".