244091331136 has 21 divisors (see below), whose sum is σ = 484376578489. Its totient is φ = 122043689344.

The previous prime is 244091331131. The next prime is 244091331163. The reversal of 244091331136 is 631133190442.

The square root of 244091331136 is 494056.

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

It can be written as a sum of positive squares in only one way, i.e., 34195406400 + 209895924736 = 184920^2 + 458144^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244091331095 and 244091331104.

It is not an unprimeable number, because it can be changed into a prime (244091331131) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3921570 + ... + 3983326.

Almost surely, 2^244091331136 is an apocalyptic number.

244091331136 is the 494056-th square number.

It is an amenable number.

244091331136 is a deficient number, since it is larger than the sum of its proper divisors (240285247353).

244091331136 is an frugal number, since it uses more digits than its factorization.

244091331136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123526 (or 61759 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 244091331136 in words is "two hundred forty-four billion, ninety-one million, three hundred thirty-one thousand, one hundred thirty-six".