42271110 has 96 divisors (see below), whose sum is σ = 126584640. Its totient is φ = 9586944.

The previous prime is 42271069. The next prime is 42271121. The reversal of 42271110 is 1117224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144124 + ... + 144416.

It is an arithmetic number, because the mean of its divisors is an integer number (1318590).

Almost surely, 2^42271110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42271110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63292320).

42271110 is an abundant number, since it is smaller than the sum of its proper divisors (84313530).

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

42271110 is a wasteful number, since it uses less digits than its factorization.

42271110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 42271110 is about 6501.6236433679. The cubic root of 42271110 is about 348.3489860160.

Adding to 42271110 its reverse (1117224), we get a palindrome (43388334).

The spelling of 42271110 in words is "forty-two million, two hundred seventy-one thousand, one hundred ten".