1044421455 has 32 divisors (see below), whose sum is σ = 2083419648. Its totient is φ = 434044800.

The previous prime is 1044421429. The next prime is 1044421463. The reversal of 1044421455 is 5541244401.

It is not a de Polignac number, because 1044421455 - 2⁷ = 1044421327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450976 + ... + 453285.

It is an arithmetic number, because the mean of its divisors is an integer number (65106864).

Almost surely, 2^1044421455 is an apocalyptic number.

1044421455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1044421455 is a deficient number, since it is larger than the sum of its proper divisors (1038998193).

1044421455 is a wasteful number, since it uses less digits than its factorization.

1044421455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904287.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1044421455 is about 32317.5100371300. The cubic root of 1044421455 is about 1014.5931555572.

Adding to 1044421455 its reverse (5541244401), we get a palindrome (6585665856).

The spelling of 1044421455 in words is "one billion, forty-four million, four hundred twenty-one thousand, four hundred fifty-five".