2261373200344 has 32 divisors (see below), whose sum is σ = 4425863904000. Its totient is φ = 1081174783392.

The previous prime is 2261373200341. The next prime is 2261373200357. The reversal of 2261373200344 is 4430023731622.

It is a super-2 number, since 2×2261373200344² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261373200341) 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, 1429254 + ... + 2562325.

It is an arithmetic number, because the mean of its divisors is an integer number (138308247000).

Almost surely, 2^{2261373200344} is an apocalyptic number.

It is an amenable number.

2261373200344 is a deficient number, since it is larger than the sum of its proper divisors (2164490703656).

2261373200344 is a wasteful number, since it uses less digits than its factorization.

2261373200344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994687 (or 3994683 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 37.

Adding to 2261373200344 its reverse (4430023731622), we get a palindrome (6691396931966).

The spelling of 2261373200344 in words is "two trillion, two hundred sixty-one billion, three hundred seventy-three million, two hundred thousand, three hundred forty-four".