1044401420 has 12 divisors (see below), whose sum is σ = 2193243024. Its totient is φ = 417760560.

The previous prime is 1044401419. The next prime is 1044401441. The reversal of 1044401420 is 241044401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 52220071 = 1044401420 / (1 + 0 + 4 + 4 + 4 + 0 + 1 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1044401392 and 1044401401.

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, 26110016 + ... + 26110055.

It is an arithmetic number, because the mean of its divisors is an integer number (182770252).

Almost surely, 2^1044401420 is an apocalyptic number.

1044401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044401420 is an abundant number, since it is smaller than the sum of its proper divisors (1148841604).

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

1044401420 is a wasteful number, since it uses less digits than its factorization.

1044401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52220080 (or 52220078 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1044401420 is about 32317.2000643620. The cubic root of 1044401420 is about 1014.5866679131.

Adding to 1044401420 its reverse (241044401), we get a palindrome (1285445821).

The spelling of 1044401420 in words is "one billion, forty-four million, four hundred one thousand, four hundred twenty".