104111440 has 20 divisors (see below), whose sum is σ = 242059284. Its totient is φ = 41644544.

The previous prime is 104111419. The next prime is 104111461. The reversal of 104111440 is 44111401.

It is an interprime number because it is at equal distance from previous prime (104111419) and next prime (104111461).

It can be written as a sum of positive squares in 2 ways, for example, as 53758224 + 50353216 = 7332^2 + 7096^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 650617 + ... + 650776.

Almost surely, 2^104111440 is an apocalyptic number.

104111440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104111440 is an abundant number, since it is smaller than the sum of its proper divisors (137947844).

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

104111440 is a wasteful number, since it uses less digits than its factorization.

104111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301406 (or 1301400 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 104111440 is about 10203.5013598274. The cubic root of 104111440 is about 470.4348472881.

Adding to 104111440 its reverse (44111401), we get a palindrome (148222841).

The spelling of 104111440 in words is "one hundred four million, one hundred eleven thousand, four hundred forty".