440125426 has 16 divisors (see below), whose sum is σ = 713626200. Its totient is φ = 202376448.

The previous prime is 440125421. The next prime is 440125463. The reversal of 440125426 is 624521044.

It can be written as a sum of positive squares in 4 ways, for example, as 234059401 + 206066025 = 15299^2 + 14355^2 .

It is a super-2 number, since 2×440125426² = 387420781223362952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440125394 and 440125403.

It is not an unprimeable number, because it can be changed into a prime (440125421) 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, 24471 + ... + 38458.

Almost surely, 2^440125426 is an apocalyptic number.

440125426 is a deficient number, since it is larger than the sum of its proper divisors (273500774).

440125426 is a wasteful number, since it uses less digits than its factorization.

440125426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63213.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 440125426 is about 20979.1664753393. The cubic root of 440125426 is about 760.6627563643.

The spelling of 440125426 in words is "four hundred forty million, one hundred twenty-five thousand, four hundred twenty-six".