1404355442 has 8 divisors (see below), whose sum is σ = 2407466496. Its totient is φ = 601866612.

The previous prime is 1404355399. The next prime is 1404355451. The reversal of 1404355442 is 2445534041.

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

It is a junction number, because it is equal to n+sod(n) for n = 1404355399 and 1404355408.

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, 50155538 + ... + 50155565.

It is an arithmetic number, because the mean of its divisors is an integer number (300933312).

Almost surely, 2^1404355442 is an apocalyptic number.

1404355442 is a deficient number, since it is larger than the sum of its proper divisors (1003111054).

1404355442 is a wasteful number, since it uses less digits than its factorization.

1404355442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100311112.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1404355442 is about 37474.7307128417. The cubic root of 1404355442 is about 1119.8478327496.

Adding to 1404355442 its reverse (2445534041), we get a palindrome (3849889483).

The spelling of 1404355442 in words is "one billion, four hundred four million, three hundred fifty-five thousand, four hundred forty-two".