442124403 has 24 divisors (see below), whose sum is σ = 690147792. Its totient is φ = 251020224.

The previous prime is 442124399. The next prime is 442124407. The reversal of 442124403 is 304421244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442124399) and next prime (442124407).

It is not a de Polignac number, because 442124403 - 2² = 442124399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442124407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13501 + ... + 32657.

It is an arithmetic number, because the mean of its divisors is an integer number (28756158).

Almost surely, 2^442124403 is an apocalyptic number.

442124403 is a deficient number, since it is larger than the sum of its proper divisors (248023389).

442124403 is a wasteful number, since it uses less digits than its factorization.

442124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19331 (or 19324 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442124403 is about 21026.7544571196. The cubic root of 442124403 is about 761.8126188285.

Adding to 442124403 its reverse (304421244), we get a palindrome (746545647).

The spelling of 442124403 in words is "four hundred forty-two million, one hundred twenty-four thousand, four hundred three".