4257272838 has 256 divisors, whose sum is σ = 11543261184. Its totient is φ = 1015234560.

The previous prime is 4257272783. The next prime is 4257272863. The reversal of 4257272838 is 8382727524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 41332695 + ... + 41332797.

It is an arithmetic number, because the mean of its divisors is an integer number (45090864).

Almost surely, 2^4257272838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4257272838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5771630592).

4257272838 is an abundant number, since it is smaller than the sum of its proper divisors (7285988346).

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

4257272838 is a wasteful number, since it uses less digits than its factorization.

4257272838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its digits is 1505280, while the sum is 48.

The square root of 4257272838 is about 65247.7803300618. The cubic root of 4257272838 is about 1620.7293416130.

The spelling of 4257272838 in words is "four billion, two hundred fifty-seven million, two hundred seventy-two thousand, eight hundred thirty-eight".