442113400 has 24 divisors (see below), whose sum is σ = 1027914120. Its totient is φ = 176845280.

The previous prime is 442113391. The next prime is 442113403. The reversal of 442113400 is 4311244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442113403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1105084 + ... + 1105483.

It is an arithmetic number, because the mean of its divisors is an integer number (42829755).

Almost surely, 2^442113400 is an apocalyptic number.

442113400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442113400 is an abundant number, since it is smaller than the sum of its proper divisors (585800720).

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

442113400 is a wasteful number, since it uses less digits than its factorization.

442113400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210583 (or 2210574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442113400 is about 21026.4928126400. The cubic root of 442113400 is about 761.8062991187.

Adding to 442113400 its reverse (4311244), we get a palindrome (446424644).

The spelling of 442113400 in words is "four hundred forty-two million, one hundred thirteen thousand, four hundred".