104432240 has 40 divisors (see below), whose sum is σ = 264880368. Its totient is φ = 37975040.

The previous prime is 104432221. The next prime is 104432243. The reversal of 104432240 is 42234401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104432243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58457 + ... + 60216.

Almost surely, 2^104432240 is an apocalyptic number.

104432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104432240 is an abundant number, since it is smaller than the sum of its proper divisors (160448128).

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

104432240 is a wasteful number, since it uses less digits than its factorization.

104432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118697 (or 118691 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104432240 is about 10219.2093627638. The cubic root of 104432240 is about 470.9175376239.

Adding to 104432240 its reverse (42234401), we get a palindrome (146666641).

The spelling of 104432240 in words is "one hundred four million, four hundred thirty-two thousand, two hundred forty".