40042110 has 16 divisors (see below), whose sum is σ = 96101136. Its totient is φ = 10677888.

The previous prime is 40042109. The next prime is 40042129. The reversal of 40042110 is 1124004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667339 + ... + 667398.

It is an arithmetic number, because the mean of its divisors is an integer number (6006321).

Almost surely, 2^40042110 is an apocalyptic number.

40042110 is an abundant number, since it is smaller than the sum of its proper divisors (56059026).

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

40042110 is a wasteful number, since it uses less digits than its factorization.

40042110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334747.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40042110 is about 6327.8835324301. The cubic root of 40042110 is about 342.1151590577.

Adding to 40042110 its reverse (1124004), we get a palindrome (41166114).

The spelling of 40042110 in words is "forty million, forty-two thousand, one hundred ten".