1404433442 has 4 divisors (see below), whose sum is σ = 2106650166. Its totient is φ = 702216720.

The previous prime is 1404433423. The next prime is 1404433447. The reversal of 1404433442 is 2443344041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1260889081 + 143544361 = 35509^2 + 11981^2 .

It is not an unprimeable number, because it can be changed into a prime (1404433447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351108359 + ... + 351108362.

Almost surely, 2^1404433442 is an apocalyptic number.

1404433442 is a deficient number, since it is larger than the sum of its proper divisors (702216724).

1404433442 is an equidigital number, since it uses as much as digits as its factorization.

1404433442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702216723.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1404433442 is about 37475.7713996657. The cubic root of 1404433442 is about 1119.8685650398.

Adding to 1404433442 its reverse (2443344041), we get a palindrome (3847777483).

The spelling of 1404433442 in words is "one billion, four hundred four million, four hundred thirty-three thousand, four hundred forty-two".