2557906126 has 8 divisors (see below), whose sum is σ = 3940558200. Its totient is φ = 1244386728.

The previous prime is 2557906123. The next prime is 2557906147. The reversal of 2557906126 is 6216097552.

2557906126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557906121) 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, 17283076 + ... + 17283223.

It is an arithmetic number, because the mean of its divisors is an integer number (492569775).

Almost surely, 2^2557906126 is an apocalyptic number.

2557906126 is a deficient number, since it is larger than the sum of its proper divisors (1382652074).

2557906126 is a wasteful number, since it uses less digits than its factorization.

2557906126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34566338.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2557906126 is about 50575.7464205918. The cubic root of 2557906126 is about 1367.6076895498.

The spelling of 2557906126 in words is "two billion, five hundred fifty-seven million, nine hundred six thousand, one hundred twenty-six".