440426328 has 16 divisors (see below), whose sum is σ = 1101065880. Its totient is φ = 146808768.

The previous prime is 440426321. The next prime is 440426351. The reversal of 440426328 is 823624044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440426321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9175525 + ... + 9175572.

Almost surely, 2^440426328 is an apocalyptic number.

It is an amenable number.

440426328 is an abundant number, since it is smaller than the sum of its proper divisors (660639552).

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

440426328 is a wasteful number, since it uses less digits than its factorization.

440426328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18351106 (or 18351102 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 440426328 is about 20986.3366979566. The cubic root of 440426328 is about 760.8360651456.

The spelling of 440426328 in words is "four hundred forty million, four hundred twenty-six thousand, three hundred twenty-eight".