1421344442 has 8 divisors (see below), whose sum is σ = 2436590496. Its totient is φ = 609147612.

The previous prime is 1421344439. The next prime is 1421344453. The reversal of 1421344442 is 2444431241.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 50762288 + ... + 50762315.

It is an arithmetic number, because the mean of its divisors is an integer number (304573812).

Almost surely, 2^1421344442 is an apocalyptic number.

1421344442 is a deficient number, since it is larger than the sum of its proper divisors (1015246054).

1421344442 is a wasteful number, since it uses less digits than its factorization.

1421344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101524612.

The product of its digits is 12288, while the sum is 29.

The square root of 1421344442 is about 37700.7220355261. The cubic root of 1421344442 is about 1124.3454805451.

Adding to 1421344442 its reverse (2444431241), we get a palindrome (3865775683).

The spelling of 1421344442 in words is "one billion, four hundred twenty-one million, three hundred forty-four thousand, four hundred forty-two".