440342426 has 16 divisors (see below), whose sum is σ = 676470528. Its totient is φ = 214914000.

The previous prime is 440342393. The next prime is 440342447. The reversal of 440342426 is 624243044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 29693.

It is an arithmetic number, because the mean of its divisors is an integer number (42279408).

Almost surely, 2^440342426 is an apocalyptic number.

440342426 is a deficient number, since it is larger than the sum of its proper divisors (236128102).

440342426 is a wasteful number, since it uses less digits than its factorization.

440342426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30877.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 440342426 is about 20984.3376354842. The cubic root of 440342426 is about 760.7877485355.

The spelling of 440342426 in words is "four hundred forty million, three hundred forty-two thousand, four hundred twenty-six".