42110040 has 64 divisors (see below), whose sum is σ = 144380160. Its totient is φ = 9624960.

The previous prime is 42110039. The next prime is 42110053. The reversal of 42110040 is 4001124.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 42109998 and 42110025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24226 + ... + 25905.

It is an arithmetic number, because the mean of its divisors is an integer number (2255940).

Almost surely, 2^42110040 is an apocalyptic number.

42110040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42110040 is an abundant number, since it is smaller than the sum of its proper divisors (102270120).

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

42110040 is a wasteful number, since it uses less digits than its factorization.

42110040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50152 (or 50148 counting only the distinct ones).

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

The square root of 42110040 is about 6489.2249151960. The cubic root of 42110040 is about 347.9059727471.

Adding to 42110040 its reverse (4001124), we get a palindrome (46111164).

The spelling of 42110040 in words is "forty-two million, one hundred ten thousand, forty".