4244020142 has 4 divisors (see below), whose sum is σ = 6366030216. Its totient is φ = 2122010070.

The previous prime is 4244020133. The next prime is 4244020153. The reversal of 4244020142 is 2410204424.

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, 1061005034 + ... + 1061005037.

It is an arithmetic number, because the mean of its divisors is an integer number (1591507554).

Almost surely, 2^4244020142 is an apocalyptic number.

4244020142 is a deficient number, since it is larger than the sum of its proper divisors (2122010074).

4244020142 is a wasteful number, since it uses less digits than its factorization.

4244020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122010073.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4244020142 is about 65146.1444906757. The cubic root of 4244020142 is about 1619.0458413649.

Adding to 4244020142 its reverse (2410204424), we get a palindrome (6654224566).

The spelling of 4244020142 in words is "four billion, two hundred forty-four million, twenty thousand, one hundred forty-two".