1420442446 has 16 divisors (see below), whose sum is σ = 2333791440. Its totient is φ = 645393280.

The previous prime is 1420442437. The next prime is 1420442449. The reversal of 1420442446 is 6442440241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420442449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719320 + ... + 721291.

It is an arithmetic number, because the mean of its divisors is an integer number (145861965).

Almost surely, 2^1420442446 is an apocalyptic number.

1420442446 is a deficient number, since it is larger than the sum of its proper divisors (913348994).

1420442446 is a wasteful number, since it uses less digits than its factorization.

1420442446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440659.

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 1420442446 is about 37688.7575544750. The cubic root of 1420442446 is about 1124.1075908162.

Adding to 1420442446 its reverse (6442440241), we get a palindrome (7862882687).

The spelling of 1420442446 in words is "one billion, four hundred twenty million, four hundred forty-two thousand, four hundred forty-six".