13648244390 has 64 divisors (see below), whose sum is σ = 28721433600. Its totient is φ = 4618880640.

The previous prime is 13648244387. The next prime is 13648244399. The reversal of 13648244390 is 9344284631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13648244399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20711 + ... + 166509.

It is an arithmetic number, because the mean of its divisors is an integer number (448772400).

Almost surely, 2^13648244390 is an apocalyptic number.

13648244390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13648244390 is an abundant number, since it is smaller than the sum of its proper divisors (15073189210).

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

13648244390 is a wasteful number, since it uses less digits than its factorization.

13648244390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145877.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 13648244390 in words is "thirteen billion, six hundred forty-eight million, two hundred forty-four thousand, three hundred ninety".