442026158 has 16 divisors (see below), whose sum is σ = 773224800. Its totient is φ = 189439488.

The previous prime is 442026157. The next prime is 442026173. The reversal of 442026158 is 851620244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442026157) 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, 321491 + ... + 322862.

It is an arithmetic number, because the mean of its divisors is an integer number (48326550).

Almost surely, 2^442026158 is an apocalyptic number.

442026158 is a deficient number, since it is larger than the sum of its proper divisors (331198642).

442026158 is an equidigital number, since it uses as much as digits as its factorization.

442026158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644376 (or 644362 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 442026158 is about 21024.4181370139. The cubic root of 442026158 is about 761.7561868796.

It can be divided in two parts, 44 and 2026158, that added together give a palindrome (2026202).

The spelling of 442026158 in words is "four hundred forty-two million, twenty-six thousand, one hundred fifty-eight".