440623028 has 12 divisors (see below), whose sum is σ = 771620640. Its totient is φ = 220159992.

The previous prime is 440623019. The next prime is 440623031. The reversal of 440623028 is 820326044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31208 + ... + 43071.

It is an arithmetic number, because the mean of its divisors is an integer number (64301720).

Almost surely, 2^440623028 is an apocalyptic number.

It is an amenable number.

440623028 is a deficient number, since it is larger than the sum of its proper divisors (330997612).

440623028 is a wasteful number, since it uses less digits than its factorization.

440623028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75766 (or 75764 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 440623028 is about 20991.0225572743. The cubic root of 440623028 is about 760.9493146424.

The spelling of 440623028 in words is "four hundred forty million, six hundred twenty-three thousand, twenty-eight".