1044256428 has 24 divisors (see below), whose sum is σ = 2707331760. Its totient is φ = 348085440.

The previous prime is 1044256379. The next prime is 1044256457. The reversal of 1044256428 is 8246524401.

1044256428 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 2 + 5 + 642 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1044256392 and 1044256401.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4834413 + ... + 4834628.

It is an arithmetic number, because the mean of its divisors is an integer number (112805490).

Almost surely, 2^1044256428 is an apocalyptic number.

1044256428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1044256428 is an abundant number, since it is smaller than the sum of its proper divisors (1663075332).

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

1044256428 is a wasteful number, since it uses less digits than its factorization.

1044256428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669054 (or 9669046 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1044256428 is about 32314.9567228551. The cubic root of 1044256428 is about 1014.5397147795.

The spelling of 1044256428 in words is "one billion, forty-four million, two hundred fifty-six thousand, four hundred twenty-eight".