104240240 has 80 divisors (see below), whose sum is σ = 263608128. Its totient is φ = 38105088.

The previous prime is 104240221. The next prime is 104240261. The reversal of 104240240 is 42042401.

It is a tau number, because it is divible by the number of its divisors (80).

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, 117077 + ... + 117963.

Almost surely, 2^104240240 is an apocalyptic number.

104240240 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 104240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131804064).

104240240 is an abundant number, since it is smaller than the sum of its proper divisors (159367888).

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

104240240 is a wasteful number, since it uses less digits than its factorization.

104240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1020 counting only the distinct ones).

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

The square root of 104240240 is about 10209.8109678877. The cubic root of 104240240 is about 470.6287646221.

Adding to 104240240 its reverse (42042401), we get a palindrome (146282641).

The spelling of 104240240 in words is "one hundred four million, two hundred forty thousand, two hundred forty".