1401420304 has 20 divisors (see below), whose sum is σ = 2743247164. Its totient is φ = 693485568.

The previous prime is 1401420301. The next prime is 1401420323. The reversal of 1401420304 is 4030241041.

It can be written as a sum of positive squares in 2 ways, for example, as 414203904 + 987216400 = 20352^2 + 31420^2 .

It is not an unprimeable number, because it can be changed into a prime (1401420301) 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, 449937 + ... + 453040.

Almost surely, 2^1401420304 is an apocalyptic number.

It is an amenable number.

1401420304 is a deficient number, since it is larger than the sum of its proper divisors (1341826860).

1401420304 is an equidigital number, since it uses as much as digits as its factorization.

1401420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903082 (or 903076 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1401420304 is about 37435.5486670090. The cubic root of 1401420304 is about 1119.0671185992.

Adding to 1401420304 its reverse (4030241041), we get a palindrome (5431661345).

The spelling of 1401420304 in words is "one billion, four hundred one million, four hundred twenty thousand, three hundred four".