1044420420 has 48 divisors (see below), whose sum is σ = 2926123200. Its totient is φ = 278345856.

The previous prime is 1044420407. The next prime is 1044420427. The reversal of 1044420420 is 240244401.

It is not an unprimeable number, because it can be changed into a prime (1044420427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121794 + ... + 130086.

It is an arithmetic number, because the mean of its divisors is an integer number (60960900).

Almost surely, 2^1044420420 is an apocalyptic number.

1044420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044420420 is an abundant number, since it is smaller than the sum of its proper divisors (1881702780).

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

1044420420 is a wasteful number, since it uses less digits than its factorization.

1044420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1044420420 is about 32317.4940241350. The cubic root of 1044420420 is about 1014.5928204101.

Adding to 1044420420 its reverse (240244401), we get a palindrome (1284664821).

The spelling of 1044420420 in words is "one billion, forty-four million, four hundred twenty thousand, four hundred twenty".