1044255420 has 72 divisors (see below), whose sum is σ = 3411242016. Its totient is φ = 257046912.

The previous prime is 1044255383. The next prime is 1044255451. The reversal of 1044255420 is 245524401.

1044255420 is a `hidden beast` number, since 104 + 4 + 2 + 554 + 2 + 0 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 220792 + ... + 225471.

Almost surely, 2^1044255420 is an apocalyptic number.

1044255420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044255420 is an abundant number, since it is smaller than the sum of its proper divisors (2366986596).

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

1044255420 is a wasteful number, since it uses less digits than its factorization.

1044255420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446291 (or 446286 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1044255420 is about 32314.9411263583. The cubic root of 1044255420 is about 1014.5393883411.

Adding to 1044255420 its reverse (245524401), we get a palindrome (1289779821).

It can be divided in two parts, 104 and 4255420, that added together give a palindrome (4255524).

The spelling of 1044255420 in words is "one billion, forty-four million, two hundred fifty-five thousand, four hundred twenty".