104402240 has 28 divisors (see below), whose sum is σ = 248608596. Its totient is φ = 41760768.

The previous prime is 104402189. The next prime is 104402257. The reversal of 104402240 is 42204401.

It can be written as a sum of positive squares in 2 ways, for example, as 16192576 + 88209664 = 4024^2 + 9392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162809 + ... + 163448.

Almost surely, 2^104402240 is an apocalyptic number.

104402240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104402240 is an abundant number, since it is smaller than the sum of its proper divisors (144206356).

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

104402240 is an equidigital number, since it uses as much as digits as its factorization.

104402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326274 (or 326264 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 104402240 is about 10217.7414334089. The cubic root of 104402240 is about 470.8724401868.

Adding to 104402240 its reverse (42204401), we get a palindrome (146606641).

The spelling of 104402240 in words is "one hundred four million, four hundred two thousand, two hundred forty".