440712028 has 24 divisors (see below), whose sum is σ = 780926832. Its totient is φ = 217603584.

The previous prime is 440712017. The next prime is 440712037. The reversal of 440712028 is 820217044.

It is a junction number, because it is equal to n+sod(n) for n = 440711987 and 440712005.

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, 149626 + ... + 152542.

It is an arithmetic number, because the mean of its divisors is an integer number (32538618).

Almost surely, 2^440712028 is an apocalyptic number.

It is an amenable number.

440712028 is a deficient number, since it is larger than the sum of its proper divisors (340214804).

440712028 is a wasteful number, since it uses less digits than its factorization.

440712028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381 (or 3379 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 440712028 is about 20993.1424041281. The cubic root of 440712028 is about 761.0005450786. Note that the first 3 decimals are identical.

The spelling of 440712028 in words is "four hundred forty million, seven hundred twelve thousand, twenty-eight".