442315500 has 144 divisors (see below), whose sum is σ = 1416341472. Its totient is φ = 107184000.

The previous prime is 442315499. The next prime is 442315513. The reversal of 442315500 is 5513244.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180282 + ... + 182718.

Almost surely, 2^442315500 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 442315500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708170736).

442315500 is an abundant number, since it is smaller than the sum of its proper divisors (974025972).

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

442315500 is a wasteful number, since it uses less digits than its factorization.

442315500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 442315500 is about 21031.2981054428. The cubic root of 442315500 is about 761.9223610456.

Adding to 442315500 its reverse (5513244), we get a palindrome (447828744).

The spelling of 442315500 in words is "four hundred forty-two million, three hundred fifteen thousand, five hundred".