442434272 has 24 divisors (see below), whose sum is σ = 995477616. Its totient is φ = 189614592.

The previous prime is 442434241. The next prime is 442434277. The reversal of 442434272 is 272434244.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442434277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987353 + ... + 987800.

It is an arithmetic number, because the mean of its divisors is an integer number (41478234).

Almost surely, 2^442434272 is an apocalyptic number.

It is an amenable number.

442434272 is an abundant number, since it is smaller than the sum of its proper divisors (553043344).

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

442434272 is a wasteful number, since it uses less digits than its factorization.

442434272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975170 (or 1975162 counting only the distinct ones).

The product of its digits is 43008, while the sum is 32.

The square root of 442434272 is about 21034.1216122756. The cubic root of 442434272 is about 761.9905529010.

The spelling of 442434272 in words is "four hundred forty-two million, four hundred thirty-four thousand, two hundred seventy-two".