442017492 has 48 divisors (see below), whose sum is σ = 1196321280. Its totient is φ = 124404192.

The previous prime is 442017491. The next prime is 442017497. The reversal of 442017492 is 294710244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442017491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33642 + ... + 44897.

It is an arithmetic number, because the mean of its divisors is an integer number (24923360).

Almost surely, 2^442017492 is an apocalyptic number.

442017492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

442017492 is an abundant number, since it is smaller than the sum of its proper divisors (754303788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442017492 is a wasteful number, since it uses less digits than its factorization.

442017492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78620 (or 78618 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 442017492 is about 21024.2120423097. The cubic root of 442017492 is about 761.7512087261.

It can be divided in two parts, 4420 and 17492, that added together give a palindrome (21912).

The spelling of 442017492 in words is "four hundred forty-two million, seventeen thousand, four hundred ninety-two".