42108810 has 16 divisors (see below), whose sum is σ = 101061216. Its totient is φ = 11229008.

The previous prime is 42108743. The next prime is 42108811. The reversal of 42108810 is 1880124.

It is a super-2 number, since 2×42108810² = 3546303759232200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42108811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701784 + ... + 701843.

It is an arithmetic number, because the mean of its divisors is an integer number (6316326).

Almost surely, 2^42108810 is an apocalyptic number.

42108810 is an abundant number, since it is smaller than the sum of its proper divisors (58952406).

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

42108810 is a wasteful number, since it uses less digits than its factorization.

42108810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403637.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 42108810 is about 6489.1301420144. The cubic root of 42108810 is about 347.9025853640.

Adding to 42108810 its reverse (1880124), we get a palindrome (43988934).

The spelling of 42108810 in words is "forty-two million, one hundred eight thousand, eight hundred ten".