2549260666944 has 168 divisors, whose sum is σ = 7335030044160. Its totient is φ = 846497820672.

The previous prime is 2549260666919. The next prime is 2549260666949. The reversal of 2549260666944 is 4496660629452.

It is not an unprimeable number, because it can be changed into a prime (2549260666949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252922897 + ... + 252932975.

It is an arithmetic number, because the mean of its divisors is an integer number (43660893120).

Almost surely, 2^{2549260666944} is an apocalyptic number.

2549260666944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2549260666944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3667515022080).

2549260666944 is an abundant number, since it is smaller than the sum of its proper divisors (4785769377216).

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

2549260666944 is a wasteful number, since it uses less digits than its factorization.

2549260666944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737 (or 11724 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 63.

The spelling of 2549260666944 in words is "two trillion, five hundred forty-nine billion, two hundred sixty million, six hundred sixty-six thousand, nine hundred forty-four".