2557849072 has 80 divisors (see below), whose sum is σ = 5214186112. Its totient is φ = 1214300160.

The previous prime is 2557849057. The next prime is 2557849093. The reversal of 2557849072 is 2709487552.

It is a super-2 number, since 2×2557849072² = 13085183750262522368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6969433 + ... + 6969799.

Almost surely, 2^2557849072 is an apocalyptic number.

It is an amenable number.

2557849072 is an abundant number, since it is smaller than the sum of its proper divisors (2656337040).

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

2557849072 is a wasteful number, since it uses less digits than its factorization.

2557849072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 2557849072 is about 50575.1823723850. The cubic root of 2557849072 is about 1367.5975213281.

The spelling of 2557849072 in words is "two billion, five hundred fifty-seven million, eight hundred forty-nine thousand, seventy-two".