1342440443 has 8 divisors (see below), whose sum is σ = 1360651200. Its totient is φ = 1324260288.

The previous prime is 1342440427. The next prime is 1342440457. The reversal of 1342440443 is 3440442431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1342440443 - 2⁴ = 1342440427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342440413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88823 + ... + 102831.

It is an arithmetic number, because the mean of its divisors is an integer number (170081400).

Almost surely, 2^1342440443 is an apocalyptic number.

1342440443 is a deficient number, since it is larger than the sum of its proper divisors (18210757).

1342440443 is a wasteful number, since it uses less digits than its factorization.

1342440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15301.

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

The square root of 1342440443 is about 36639.3291832697. The cubic root of 1342440443 is about 1103.1426502303.

Adding to 1342440443 its reverse (3440442431), we get a palindrome (4782882874).

The spelling of 1342440443 in words is "one billion, three hundred forty-two million, four hundred forty thousand, four hundred forty-three".