440039798 has 32 divisors (see below), whose sum is σ = 781044768. Its totient is φ = 183654400.

The previous prime is 440039797. The next prime is 440039819. The reversal of 440039798 is 897930044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440039797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986 + ... + 29682.

It is an arithmetic number, because the mean of its divisors is an integer number (24407649).

Almost surely, 2^440039798 is an apocalyptic number.

440039798 is a deficient number, since it is larger than the sum of its proper divisors (341004970).

440039798 is a wasteful number, since it uses less digits than its factorization.

440039798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28768.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 440039798 is about 20977.1255895559. The cubic root of 440039798 is about 760.6134232643.

The spelling of 440039798 in words is "four hundred forty million, thirty-nine thousand, seven hundred ninety-eight".