442445300 has 36 divisors (see below), whose sum is σ = 1047391296. Its totient is φ = 160888800.

The previous prime is 442445293. The next prime is 442445303. The reversal of 442445300 is 3544244.

It is a self number, because there is not a number n which added to its sum of digits gives 442445300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442445303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200012 + ... + 202211.

Almost surely, 2^442445300 is an apocalyptic number.

It is an amenable number.

442445300 is an abundant number, since it is smaller than the sum of its proper divisors (604945996).

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

442445300 is a wasteful number, since it uses less digits than its factorization.

442445300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402248 (or 402241 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 442445300 is about 21034.3837561265. The cubic root of 442445300 is about 761.9968839070.

Adding to 442445300 its reverse (3544244), we get a palindrome (445989544).

The spelling of 442445300 in words is "four hundred forty-two million, four hundred forty-five thousand, three hundred".