4421320142 has 4 divisors (see below), whose sum is σ = 6631980216. Its totient is φ = 2210660070.

The previous prime is 4421320093. The next prime is 4421320181. The reversal of 4421320142 is 2410231244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105330034 + ... + 1105330037.

It is an arithmetic number, because the mean of its divisors is an integer number (1657995054).

Almost surely, 2^4421320142 is an apocalyptic number.

4421320142 is a deficient number, since it is larger than the sum of its proper divisors (2210660074).

4421320142 is a wasteful number, since it uses less digits than its factorization.

4421320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210660073.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4421320142 is about 66493.0082189098. The cubic root of 4421320142 is about 1641.2849514754.

Adding to 4421320142 its reverse (2410231244), we get a palindrome (6831551386).

The spelling of 4421320142 in words is "four billion, four hundred twenty-one million, three hundred twenty thousand, one hundred forty-two".