104115540 has 24 divisors (see below), whose sum is σ = 291523680. Its totient is φ = 27764128.

The previous prime is 104115533. The next prime is 104115551. The reversal of 104115540 is 45511401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 867570 + ... + 867689.

It is an arithmetic number, because the mean of its divisors is an integer number (12146820).

Almost surely, 2^104115540 is an apocalyptic number.

104115540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104115540 is an abundant number, since it is smaller than the sum of its proper divisors (187408140).

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

104115540 is a wasteful number, since it uses less digits than its factorization.

104115540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735271 (or 1735269 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 104115540 is about 10203.7022692746. The cubic root of 104115540 is about 470.4410225863.

Adding to 104115540 its reverse (45511401), we get a palindrome (149626941).

It can be divided in two parts, 10411 and 5540, that added together give a palindrome (15951).

The spelling of 104115540 in words is "one hundred four million, one hundred fifteen thousand, five hundred forty".