2772423126 has 40 divisors (see below), whose sum is σ = 6777038664. Its totient is φ = 840127680.

The previous prime is 2772423119. The next prime is 2772423131. The reversal of 2772423126 is 6213242772.

It is a happy number.

It is a super-2 number, since 2×2772423126² = 15372659979159223752, 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 (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 776115 + ... + 779678.

Almost surely, 2^2772423126 is an apocalyptic number.

2772423126 is an abundant number, since it is smaller than the sum of its proper divisors (4004615538).

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

2772423126 is a wasteful number, since it uses less digits than its factorization.

2772423126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555818 (or 1555809 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 2772423126 is about 52653.8044779292. The cubic root of 2772423126 is about 1404.8172701741.

Adding to 2772423126 its reverse (6213242772), we get a palindrome (8985665898).

The spelling of 2772423126 in words is "two billion, seven hundred seventy-two million, four hundred twenty-three thousand, one hundred twenty-six".