104043240 has 384 divisors, whose sum is σ = 424569600. Its totient is φ = 21565440.

The previous prime is 104043227. The next prime is 104043241. The reversal of 104043240 is 42340401.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104043241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1963054 + ... + 1963106.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^104043240 is an apocalyptic number.

104043240 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 104043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212284800).

104043240 is an abundant number, since it is smaller than the sum of its proper divisors (320526360).

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

104043240 is a wasteful number, since it uses less digits than its factorization.

104043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104043240 is about 10200.1588222929. The cubic root of 104043240 is about 470.3321026881.

Adding to 104043240 its reverse (42340401), we get a palindrome (146383641).

The spelling of 104043240 in words is "one hundred four million, forty-three thousand, two hundred forty".