1420321444 has 12 divisors (see below), whose sum is σ = 2485869568. Its totient is φ = 710073000.

The previous prime is 1420321439. The next prime is 1420321447. The reversal of 1420321444 is 4441230241.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1420321447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26269 + ... + 59419.

Almost surely, 2^1420321444 is an apocalyptic number.

It is an amenable number.

1420321444 is a deficient number, since it is larger than the sum of its proper divisors (1065548124).

1420321444 is a wasteful number, since it uses less digits than its factorization.

1420321444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43866 (or 43864 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1420321444 is about 37687.1522405183. The cubic root of 1420321444 is about 1124.0756704500.

Adding to 1420321444 its reverse (4441230241), we get a palindrome (5861551685).

The spelling of 1420321444 in words is "one billion, four hundred twenty million, three hundred twenty-one thousand, four hundred forty-four".