442313500 has 48 divisors (see below), whose sum is σ = 970482240. Its totient is φ = 176107200.

The previous prime is 442313491. The next prime is 442313537. The reversal of 442313500 is 5313244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112569 + ... + 116431.

It is an arithmetic number, because the mean of its divisors is an integer number (20218380).

Almost surely, 2^442313500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442313500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485241120).

442313500 is an abundant number, since it is smaller than the sum of its proper divisors (528168740).

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

442313500 is a wasteful number, since it uses less digits than its factorization.

442313500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 442313500 is about 21031.2505572065. The cubic root of 442313500 is about 761.9212126594.

Adding to 442313500 its reverse (5313244), we get a palindrome (447626744).

The spelling of 442313500 in words is "four hundred forty-two million, three hundred thirteen thousand, five hundred".