13553540244 has 24 divisors (see below), whose sum is σ = 35138808320. Its totient is φ = 4517846712.

The previous prime is 13553540227. The next prime is 13553540249. The reversal of 13553540244 is 44204535531.

13553540244 is a `hidden beast` number, since 13 + 55 + 354 + 0 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13553540199 and 13553540208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553540249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62747764 + ... + 62747979.

Almost surely, 2^13553540244 is an apocalyptic number.

It is an amenable number.

13553540244 is an abundant number, since it is smaller than the sum of its proper divisors (21585268076).

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

13553540244 is a wasteful number, since it uses less digits than its factorization.

13553540244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125495756 (or 125495748 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 13553540244 in words is "thirteen billion, five hundred fifty-three million, five hundred forty thousand, two hundred forty-four".