2044420142 has 4 divisors (see below), whose sum is σ = 3066630216. Its totient is φ = 1022210070.

The previous prime is 2044420129. The next prime is 2044420177. The reversal of 2044420142 is 2410244402.

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

It is a super-3 number, since 3×2044420142³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511105034 + ... + 511105037.

It is an arithmetic number, because the mean of its divisors is an integer number (766657554).

Almost surely, 2^2044420142 is an apocalyptic number.

2044420142 is a deficient number, since it is larger than the sum of its proper divisors (1022210074).

2044420142 is a wasteful number, since it uses less digits than its factorization.

2044420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022210073.

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

The square root of 2044420142 is about 45215.2644800404. The cubic root of 2044420142 is about 1269.1804789920.

Adding to 2044420142 its reverse (2410244402), we get a palindrome (4454664544).

The spelling of 2044420142 in words is "two billion, forty-four million, four hundred twenty thousand, one hundred forty-two".