13803736454244 has 243 divisors, whose sum is σ = 39340131828907. Its totient is φ = 4077954988800.

The previous prime is 13803736454141. The next prime is 13803736454273. The reversal of 13803736454244 is 44245463730831.

The square root of 13803736454244 is 3715338.

It is a perfect power (a square), and thus also a powerful number.

13803736454244 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 37 + 3 + 64 + 542 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 176475608100 + 13627260846144 = 420090^2 + 3691512^2 .

It is a super-2 number, since 2×13803736454244² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 10053703942 + ... + 10053705314.

Almost surely, 2^{13803736454244} is an apocalyptic number.

13803736454244 is the 3715338-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13803736454244

13803736454244 is an abundant number, since it is smaller than the sum of its proper divisors (25536395374663).

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

13803736454244 is a wasteful number, since it uses less digits than its factorization.

13803736454244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 54.

The spelling of 13803736454244 in words is "thirteen trillion, eight hundred three billion, seven hundred thirty-six million, four hundred fifty-four thousand, two hundred forty-four".