2557746996 has 48 divisors (see below), whose sum is σ = 6936276480. Its totient is φ = 718397280.

The previous prime is 2557746973. The next prime is 2557747001. The reversal of 2557746996 is 6996477552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253090 + ... + 263001.

It is an arithmetic number, because the mean of its divisors is an integer number (144505760).

Almost surely, 2^2557746996 is an apocalyptic number.

It is an amenable number.

2557746996 is an abundant number, since it is smaller than the sum of its proper divisors (4378529484).

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

2557746996 is a wasteful number, since it uses less digits than its factorization.

2557746996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516164 (or 516162 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 60.

The square root of 2557746996 is about 50574.1732112350. The cubic root of 2557746996 is about 1367.5793288628.

The spelling of 2557746996 in words is "two billion, five hundred fifty-seven million, seven hundred forty-six thousand, nine hundred ninety-six".