440251434 has 48 divisors (see below), whose sum is σ = 1091525760. Its totient is φ = 125627040.

The previous prime is 440251417. The next prime is 440251447. The reversal of 440251434 is 434152044.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440251398 and 440251407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128212 + ... + 131600.

It is an arithmetic number, because the mean of its divisors is an integer number (22740120).

Almost surely, 2^440251434 is an apocalyptic number.

440251434 is an abundant number, since it is smaller than the sum of its proper divisors (651274326).

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

440251434 is a wasteful number, since it uses less digits than its factorization.

440251434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 440251434 is about 20982.1694302567. The cubic root of 440251434 is about 760.7353420722.

The spelling of 440251434 in words is "four hundred forty million, two hundred fifty-one thousand, four hundred thirty-four".