2560944126 has 32 divisors (see below), whose sum is σ = 5519582208. Its totient is φ = 787453920.

The previous prime is 2560944121. The next prime is 2560944137. The reversal of 2560944126 is 6214490652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560944121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115131 + ... + 135561.

It is an arithmetic number, because the mean of its divisors is an integer number (172486944).

Almost surely, 2^2560944126 is an apocalyptic number.

2560944126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2560944126 is an abundant number, since it is smaller than the sum of its proper divisors (2958638082).

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

2560944126 is a wasteful number, since it uses less digits than its factorization.

2560944126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2560944126 is about 50605.7716668761. The cubic root of 2560944126 is about 1368.1489067501.

The spelling of 2560944126 in words is "two billion, five hundred sixty million, nine hundred forty-four thousand, one hundred twenty-six".