2557216276 has 12 divisors (see below), whose sum is σ = 4476800608. Its totient is φ = 1278130392.

The previous prime is 2557216253. The next prime is 2557216283. The reversal of 2557216276 is 6726127552.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107256 + ... + 128911.

Almost surely, 2^2557216276 is an apocalyptic number.

It is an amenable number.

2557216276 is a deficient number, since it is larger than the sum of its proper divisors (1919584332).

2557216276 is a wasteful number, since it uses less digits than its factorization.

2557216276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238878 (or 238876 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 2557216276 is about 50568.9259921545. The cubic root of 2557216276 is about 1367.4847336444.

The spelling of 2557216276 in words is "two billion, five hundred fifty-seven million, two hundred sixteen thousand, two hundred seventy-six".