442111838 has 32 divisors (see below), whose sum is σ = 768633600. Its totient is φ = 186810624.

The previous prime is 442111829. The next prime is 442111841. The reversal of 442111838 is 838111244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514253 + ... + 515111.

It is an arithmetic number, because the mean of its divisors is an integer number (24019800).

Almost surely, 2^442111838 is an apocalyptic number.

442111838 is a deficient number, since it is larger than the sum of its proper divisors (326521762).

442111838 is a wasteful number, since it uses less digits than its factorization.

442111838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 6144, while the sum is 32.

The square root of 442111838 is about 21026.4556689900. The cubic root of 442111838 is about 761.8054019561.

The spelling of 442111838 in words is "four hundred forty-two million, one hundred eleven thousand, eight hundred thirty-eight".