2257126672 has 20 divisors (see below), whose sum is σ = 4388117580. Its totient is φ = 1124709248.

The previous prime is 2257126661. The next prime is 2257126673. The reversal of 2257126672 is 2766217522.

It can be written as a sum of positive squares in 2 ways, for example, as 1365745936 + 891380736 = 36956^2 + 29856^2 .

It is not an unprimeable number, because it can be changed into a prime (2257126673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236047 + ... + 245422.

It is an arithmetic number, because the mean of its divisors is an integer number (219405879).

Almost surely, 2^2257126672 is an apocalyptic number.

It is an amenable number.

2257126672 is a deficient number, since it is larger than the sum of its proper divisors (2130990908).

2257126672 is a wasteful number, since it uses less digits than its factorization.

2257126672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481770 (or 481764 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 2257126672 is about 47509.2272300866. The cubic root of 2257126672 is about 1311.7527326251.

The spelling of 2257126672 in words is "two billion, two hundred fifty-seven million, one hundred twenty-six thousand, six hundred seventy-two".