442129204 has 24 divisors (see below), whose sum is σ = 844599168. Its totient is φ = 200840640.

The previous prime is 442129153. The next prime is 442129211. The reversal of 442129204 is 402921244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127072 + ... + 130504.

It is an arithmetic number, because the mean of its divisors is an integer number (35191632).

Almost surely, 2^442129204 is an apocalyptic number.

442129204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442129204 is a deficient number, since it is larger than the sum of its proper divisors (402469964).

442129204 is a wasteful number, since it uses less digits than its factorization.

442129204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375 (or 6373 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 442129204 is about 21026.8686208860. The cubic root of 442129204 is about 761.8153763097.

The spelling of 442129204 in words is "four hundred forty-two million, one hundred twenty-nine thousand, two hundred four".