1404440242 has 8 divisors (see below), whose sum is σ = 2111417136. Its totient is φ = 700634532.

The previous prime is 1404440231. The next prime is 1404440291. The reversal of 1404440242 is 2420444041.

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, 791688 + ... + 793459.

It is an arithmetic number, because the mean of its divisors is an integer number (263927142).

Almost surely, 2^1404440242 is an apocalyptic number.

1404440242 is a deficient number, since it is larger than the sum of its proper divisors (706976894).

1404440242 is a wasteful number, since it uses less digits than its factorization.

1404440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585592.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1404440242 is about 37475.8621248398. The cubic root of 1404440242 is about 1119.8703724339.

Adding to 1404440242 its reverse (2420444041), we get a palindrome (3824884283).

The spelling of 1404440242 in words is "one billion, four hundred four million, four hundred forty thousand, two hundred forty-two".