2257936406 has 16 divisors (see below), whose sum is σ = 3731390928. Its totient is φ = 1016172000.

The previous prime is 2257936403. The next prime is 2257936463. The reversal of 2257936406 is 6046397522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257936403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505865 + ... + 510308.

It is an arithmetic number, because the mean of its divisors is an integer number (233211933).

Almost surely, 2^2257936406 is an apocalyptic number.

2257936406 is a deficient number, since it is larger than the sum of its proper divisors (1473454522).

2257936406 is a wasteful number, since it uses less digits than its factorization.

2257936406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016287.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 2257936406 is about 47517.7483262833. The cubic root of 2257936406 is about 1311.9095756606.

It can be divided in two parts, 22579 and 36406, that added together give a palindrome (58985).

The spelling of 2257936406 in words is "two billion, two hundred fifty-seven million, nine hundred thirty-six thousand, four hundred six".