440353434 has 16 divisors (see below), whose sum is σ = 899445888. Its totient is φ = 143661312.

The previous prime is 440353421. The next prime is 440353439. The reversal of 440353434 is 434353044.

It is a super-2 number, since 2×440353434² = 387822293671184712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440353439) 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, 780487 + ... + 781050.

It is an arithmetic number, because the mean of its divisors is an integer number (56215368).

Almost surely, 2^440353434 is an apocalyptic number.

440353434 is an abundant number, since it is smaller than the sum of its proper divisors (459092454).

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

440353434 is a wasteful number, since it uses less digits than its factorization.

440353434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561589.

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 440353434 is about 20984.5999247067. The cubic root of 440353434 is about 760.7940880577.

The spelling of 440353434 in words is "four hundred forty million, three hundred fifty-three thousand, four hundred thirty-four".