440405682 has 32 divisors (see below), whose sum is σ = 904115520. Its totient is φ = 142932480.

The previous prime is 440405653. The next prime is 440405683. The reversal of 440405682 is 286504044.

It is not an unprimeable number, because it can be changed into a prime (440405683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144369 + ... + 147387.

It is an arithmetic number, because the mean of its divisors is an integer number (28253610).

Almost surely, 2^440405682 is an apocalyptic number.

440405682 is an abundant number, since it is smaller than the sum of its proper divisors (463709838).

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

440405682 is a wasteful number, since it uses less digits than its factorization.

440405682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 440405682 is about 20985.8448007222. The cubic root of 440405682 is about 760.8241763114.

The spelling of 440405682 in words is "four hundred forty million, four hundred five thousand, six hundred eighty-two".