104210040 has 96 divisors (see below), whose sum is σ = 343682640. Its totient is φ = 25259520.

The previous prime is 104210039. The next prime is 104210047. The reversal of 104210040 is 40012401.

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 = 104209998 and 104210025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104210047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10932 + ... + 18108.

Almost surely, 2^104210040 is an apocalyptic number.

104210040 is a gapful number since it is divisible by the number (10) 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 104210040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171841320).

104210040 is an abundant number, since it is smaller than the sum of its proper divisors (239472600).

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

104210040 is a wasteful number, since it uses less digits than its factorization.

104210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213 (or 7198 counting only the distinct ones).

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

The square root of 104210040 is about 10208.3318911564. The cubic root of 104210040 is about 470.5833107695.

Adding to 104210040 its reverse (40012401), we get a palindrome (144222441).

The spelling of 104210040 in words is "one hundred four million, two hundred ten thousand, forty".