442066110 has 32 divisors (see below), whose sum is σ = 1080980640. Its totient is φ = 115659648.

The previous prime is 442066099. The next prime is 442066117. The reversal of 442066110 is 11660244.

It is a super-2 number, since 2×442066110² = 390844891221064200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442066117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137425 + ... + 140604.

It is an arithmetic number, because the mean of its divisors is an integer number (33780645).

Almost surely, 2^442066110 is an apocalyptic number.

442066110 is an abundant number, since it is smaller than the sum of its proper divisors (638914530).

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

442066110 is a wasteful number, since it uses less digits than its factorization.

442066110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278092.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 442066110 is about 21025.3682488560. The cubic root of 442066110 is about 761.7791363256.

The spelling of 442066110 in words is "four hundred forty-two million, sixty-six thousand, one hundred ten".