2557243190 has 32 divisors (see below), whose sum is σ = 4876321824. Its totient is φ = 962229760.

The previous prime is 2557243181. The next prime is 2557243211. The reversal of 2557243190 is 913427552.

It is a super-2 number, since 2×2557243190² = 13078985465602752200, 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, 623045 + ... + 627135.

It is an arithmetic number, because the mean of its divisors is an integer number (152385057).

Almost surely, 2^2557243190 is an apocalyptic number.

2557243190 is a deficient number, since it is larger than the sum of its proper divisors (2319078634).

2557243190 is a wasteful number, since it uses less digits than its factorization.

2557243190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2557243190 is about 50569.1921034932. The cubic root of 2557243190 is about 1367.4895310948.

The spelling of 2557243190 in words is "two billion, five hundred fifty-seven million, two hundred forty-three thousand, one hundred ninety".