442120200 has 48 divisors (see below), whose sum is σ = 1370574480. Its totient is φ = 117898560.

The previous prime is 442120199. The next prime is 442120201. The reversal of 442120200 is 2021244.

It is an interprime number because it is at equal distance from previous prime (442120199) and next prime (442120201).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 442120200.

It is not an unprimeable number, because it can be changed into a prime (442120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367834 + ... + 369033.

It is an arithmetic number, because the mean of its divisors is an integer number (28553635).

Almost surely, 2^442120200 is an apocalyptic number.

442120200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442120200 is an abundant number, since it is smaller than the sum of its proper divisors (928454280).

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

442120200 is a wasteful number, since it uses less digits than its factorization.

442120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736886 (or 736877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 442120200 is about 21026.6545127845. The cubic root of 442120200 is about 761.8102047956.

Adding to 442120200 its reverse (2021244), we get a palindrome (444141444).

The spelling of 442120200 in words is "four hundred forty-two million, one hundred twenty thousand, two hundred".