442143126 has 24 divisors (see below), whose sum is σ = 958374144. Its totient is φ = 147319920.

The previous prime is 442143113. The next prime is 442143133. The reversal of 442143126 is 621341244.

It is a happy number.

It is a super-3 number, since 3×442143126³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442143126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67371 + ... + 73641.

It is an arithmetic number, because the mean of its divisors is an integer number (39932256).

Almost surely, 2^442143126 is an apocalyptic number.

442143126 is an abundant number, since it is smaller than the sum of its proper divisors (516231018).

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

442143126 is a wasteful number, since it uses less digits than its factorization.

442143126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10196 (or 10193 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 442143126 is about 21027.1996709024. The cubic root of 442143126 is about 761.8233723753.

The spelling of 442143126 in words is "four hundred forty-two million, one hundred forty-three thousand, one hundred twenty-six".