440342128 has 10 divisors (see below), whose sum is σ = 853162904. Its totient is φ = 220171056.

The previous prime is 440342113. The next prime is 440342167. The reversal of 440342128 is 821243044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440342096 and 440342105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13760676 + ... + 13760707.

Almost surely, 2^440342128 is an apocalyptic number.

It is an amenable number.

440342128 is a deficient number, since it is larger than the sum of its proper divisors (412820776).

440342128 is a wasteful number, since it uses less digits than its factorization.

440342128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521391 (or 27521385 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 440342128 is about 20984.3305349492. The cubic root of 440342128 is about 760.7875769154.

The spelling of 440342128 in words is "four hundred forty million, three hundred forty-two thousand, one hundred twenty-eight".