442024004 has 24 divisors (see below), whose sum is σ = 838097568. Its totient is φ = 203172480.

The previous prime is 442023983. The next prime is 442024007. The reversal of 442024004 is 400420244.

It is a super-2 number, since 2×442024004² = 390770440224384032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442024007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72662 + ... + 78509.

It is an arithmetic number, because the mean of its divisors is an integer number (34920732).

Almost surely, 2^442024004 is an apocalyptic number.

It is an amenable number.

442024004 is a deficient number, since it is larger than the sum of its proper divisors (396073564).

442024004 is a wasteful number, since it uses less digits than its factorization.

442024004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151235 (or 151233 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 442024004 is about 21024.3669108014. The cubic root of 442024004 is about 761.7549495279.

Adding to 442024004 its reverse (400420244), we get a palindrome (842444248).

The spelling of 442024004 in words is "four hundred forty-two million, twenty-four thousand, four".