1404305442 has 48 divisors (see below), whose sum is σ = 3068164320. Its totient is φ = 464196096.

The previous prime is 1404305431. The next prime is 1404305467. The reversal of 1404305442 is 2445034041.

It is a happy number.

1404305442 is a `hidden beast` number, since 140 + 430 + 54 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899909 + ... + 1900647.

It is an arithmetic number, because the mean of its divisors is an integer number (63920090).

Almost surely, 2^1404305442 is an apocalyptic number.

1404305442 is an abundant number, since it is smaller than the sum of its proper divisors (1663858878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404305442 is a wasteful number, since it uses less digits than its factorization.

1404305442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1404305442 is about 37474.0635907023. The cubic root of 1404305442 is about 1119.8345424162.

Adding to 1404305442 its reverse (2445034041), we get a palindrome (3849339483).

The spelling of 1404305442 in words is "one billion, four hundred four million, three hundred five thousand, four hundred forty-two".