244513200225440 has 24 divisors (see below), whose sum is σ = 577662435532980. Its totient is φ = 97805280090112.

The previous prime is 244513200225433. The next prime is 244513200225443. The reversal of 244513200225440 is 44522002315442.

It can be written as a sum of positive squares in 2 ways, for example, as 238560751849744 + 5952448375696 = 15445412^2 + 2439764^2 .

It is a super-2 number, since 2×244513200225440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244513200225394 and 244513200225403.

It is not an unprimeable number, because it can be changed into a prime (244513200225443) 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, 764103750545 + ... + 764103750864.

Almost surely, 2^{244513200225440} is an apocalyptic number.

244513200225440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244513200225440 is an abundant number, since it is smaller than the sum of its proper divisors (333149235307540).

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

244513200225440 is a wasteful number, since it uses less digits than its factorization.

244513200225440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528207501424 (or 1528207501416 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

The spelling of 244513200225440 in words is "two hundred forty-four trillion, five hundred thirteen billion, two hundred million, two hundred twenty-five thousand, four hundred forty".