4450042 has 4 divisors (see below), whose sum is σ = 6675066. Its totient is φ = 2225020.

The previous prime is 4450031. The next prime is 4450051. The reversal of 4450042 is 2400544.

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

It can be written as a sum of positive squares in only one way, i.e., 3568321 + 881721 = 1889^2 + 939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112509 + ... + 1112512.

Almost surely, 2^4450042 is an apocalyptic number.

4450042 is a deficient number, since it is larger than the sum of its proper divisors (2225024).

4450042 is a wasteful number, since it uses less digits than its factorization.

4450042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225023.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4450042 is about 2109.5122659041. The cubic root of 4450042 is about 164.4831331271.

Adding to 4450042 its reverse (2400544), we get a palindrome (6850586).

It can be divided in two parts, 44 and 50042, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 4450042 in words is "four million, four hundred fifty thousand, forty-two".