440001128 has 16 divisors (see below), whose sum is σ = 942859680. Its totient is φ = 188571888.

The previous prime is 440001101. The next prime is 440001179. The reversal of 440001128 is 821100044.

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, 3928526 + ... + 3928637.

It is an arithmetic number, because the mean of its divisors is an integer number (58928730).

Almost surely, 2^440001128 is an apocalyptic number.

It is an amenable number.

440001128 is an abundant number, since it is smaller than the sum of its proper divisors (502858552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440001128 is a wasteful number, since it uses less digits than its factorization.

440001128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857176 (or 7857172 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 440001128 is about 20976.2038510308. The cubic root of 440001128 is about 760.5911421109.

The spelling of 440001128 in words is "four hundred forty million, one thousand, one hundred twenty-eight".