42110280 has 160 divisors (see below), whose sum is σ = 145446840. Its totient is φ = 10920960.

The previous prime is 42110273. The next prime is 42110281. The reversal of 42110280 is 8201124.

It can be written as a sum of positive squares in 4 ways, for example, as 11573604 + 30536676 = 3402^2 + 5526^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42110281) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132682 + ... + 132998.

Almost surely, 2^42110280 is an apocalyptic number.

42110280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42110280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72723420).

42110280 is an abundant number, since it is smaller than the sum of its proper divisors (103336560).

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

42110280 is a wasteful number, since it uses less digits than its factorization.

42110280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 42110280 is about 6489.2434073627. The cubic root of 42110280 is about 347.9066336922.

It can be divided in two parts, 421 and 10280, that added together give a palindrome (10701).

The spelling of 42110280 in words is "forty-two million, one hundred ten thousand, two hundred eighty".