440439742 has 16 divisors (see below), whose sum is σ = 696084480. Its totient is φ = 208597752.

The previous prime is 440439739. The next prime is 440439751. The reversal of 440439742 is 247934044.

It is a congruent number.

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, 41742 + ... + 51217.

It is an arithmetic number, because the mean of its divisors is an integer number (43505280).

Almost surely, 2^440439742 is an apocalyptic number.

440439742 is a deficient number, since it is larger than the sum of its proper divisors (255644738).

440439742 is a wasteful number, since it uses less digits than its factorization.

440439742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93087.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 440439742 is about 20986.6562844108. The cubic root of 440439742 is about 760.8437892913.

The spelling of 440439742 in words is "four hundred forty million, four hundred thirty-nine thousand, seven hundred forty-two".