442071324 has 24 divisors (see below), whose sum is σ = 1146111120. Its totient is φ = 147357072.

The previous prime is 442071319. The next prime is 442071341. The reversal of 442071324 is 423170244.

It is a super-2 number, since 2×442071324² = 390854111006225952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2046519 + ... + 2046734.

It is an arithmetic number, because the mean of its divisors is an integer number (47754630).

Almost surely, 2^442071324 is an apocalyptic number.

It is an amenable number.

442071324 is an abundant number, since it is smaller than the sum of its proper divisors (704039796).

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

442071324 is a wasteful number, since it uses less digits than its factorization.

442071324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093266 (or 4093258 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 442071324 is about 21025.4922415624. The cubic root of 442071324 is about 761.7821312780.

The spelling of 442071324 in words is "four hundred forty-two million, seventy-one thousand, three hundred twenty-four".