104420240 has 20 divisors (see below), whose sum is σ = 242777244. Its totient is φ = 41768064.

The previous prime is 104420221. The next prime is 104420263. The reversal of 104420240 is 42024401.

It can be written as a sum of positive squares in 2 ways, for example, as 81072016 + 23348224 = 9004^2 + 4832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 652547 + ... + 652706.

Almost surely, 2^104420240 is an apocalyptic number.

104420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104420240 is an abundant number, since it is smaller than the sum of its proper divisors (138357004).

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

104420240 is a wasteful number, since it uses less digits than its factorization.

104420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305266 (or 1305260 counting only the distinct ones).

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

The square root of 104420240 is about 10218.6222163264. The cubic root of 104420240 is about 470.8994996856.

Adding to 104420240 its reverse (42024401), we get a palindrome (146444641).

The spelling of 104420240 in words is "one hundred four million, four hundred twenty thousand, two hundred forty".