440606442 has 16 divisors (see below), whose sum is σ = 933049152. Its totient is φ = 138229440.

The previous prime is 440606417. The next prime is 440606473. The reversal of 440606442 is 244606044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159734 + ... + 2159937.

It is an arithmetic number, because the mean of its divisors is an integer number (58315572).

Almost surely, 2^440606442 is an apocalyptic number.

440606442 is an abundant number, since it is smaller than the sum of its proper divisors (492442710).

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

440606442 is a wasteful number, since it uses less digits than its factorization.

440606442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319693.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 440606442 is about 20990.6274799016. The cubic root of 440606442 is about 760.9397665988.

The spelling of 440606442 in words is "four hundred forty million, six hundred six thousand, four hundred forty-two".