441020042 has 4 divisors (see below), whose sum is σ = 661530066. Its totient is φ = 220510020.

The previous prime is 441020029. The next prime is 441020051. The reversal of 441020042 is 240020144.

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., 426050881 + 14969161 = 20641^2 + 3869^2 .

It is a super-3 number, since 3×441020042³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 441020042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110255009 + ... + 110255012.

Almost surely, 2^441020042 is an apocalyptic number.

441020042 is a deficient number, since it is larger than the sum of its proper divisors (220510024).

441020042 is a wasteful number, since it uses less digits than its factorization.

441020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220510023.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 441020042 is about 21000.4771850546. The cubic root of 441020042 is about 761.1777917620.

Adding to 441020042 its reverse (240020144), we get a palindrome (681040186).

The spelling of 441020042 in words is "four hundred forty-one million, twenty thousand, forty-two".