1420421344 has 24 divisors (see below), whose sum is σ = 2812629960. Its totient is φ = 706102656.

The previous prime is 1420421329. The next prime is 1420421369. The reversal of 1420421344 is 4431240241.

It is a congruent number.

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, 122754 + ... + 133825.

It is an arithmetic number, because the mean of its divisors is an integer number (117192915).

Almost surely, 2^1420421344 is an apocalyptic number.

It is an amenable number.

1420421344 is a deficient number, since it is larger than the sum of its proper divisors (1392208616).

1420421344 is a wasteful number, since it uses less digits than its factorization.

1420421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256762 (or 256754 counting only the distinct ones).

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

The square root of 1420421344 is about 37688.4776025777. The cubic root of 1420421344 is about 1124.1020242324.

Adding to 1420421344 its reverse (4431240241), we get a palindrome (5851661585).

The spelling of 1420421344 in words is "one billion, four hundred twenty million, four hundred twenty-one thousand, three hundred forty-four".