1342404442 has 16 divisors (see below), whose sum is σ = 2022100200. Its totient is φ = 668377600.

The previous prime is 1342404421. The next prime is 1342404467. The reversal of 1342404442 is 2444042431.

It can be written as a sum of positive squares in 4 ways, for example, as 1341683641 + 720801 = 36629^2 + 849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1342404442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647784 + ... + 649852.

Almost surely, 2^1342404442 is an apocalyptic number.

1342404442 is a deficient number, since it is larger than the sum of its proper divisors (679695758).

1342404442 is a wasteful number, since it uses less digits than its factorization.

1342404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1342404442 is about 36638.8378909594. The cubic root of 1342404442 is about 1103.1327889378.

Adding to 1342404442 its reverse (2444042431), we get a palindrome (3786446873).

The spelling of 1342404442 in words is "one billion, three hundred forty-two million, four hundred four thousand, four hundred forty-two".