104415540 has 24 divisors (see below), whose sum is σ = 292363680. Its totient is φ = 27844128.

The previous prime is 104415497. The next prime is 104415541. The reversal of 104415540 is 45514401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 104415540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104415541) 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, 870070 + ... + 870189.

It is an arithmetic number, because the mean of its divisors is an integer number (12181820).

Almost surely, 2^104415540 is an apocalyptic number.

104415540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104415540 is an abundant number, since it is smaller than the sum of its proper divisors (187948140).

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

104415540 is a wasteful number, since it uses less digits than its factorization.

104415540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740271 (or 1740269 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 104415540 is about 10218.3922414439. The cubic root of 104415540 is about 470.8924344498.

Adding to 104415540 its reverse (45514401), we get a palindrome (149929941).

The spelling of 104415540 in words is "one hundred four million, four hundred fifteen thousand, five hundred forty".