104455440 has 160 divisors (see below), whose sum is σ = 369797760. Its totient is φ = 27081216.

The previous prime is 104455423. The next prime is 104455451. The reversal of 104455440 is 44554401.

104455440 is a `hidden beast` number, since 104 + 4 + 554 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 79267 + ... + 80573.

It is an arithmetic number, because the mean of its divisors is an integer number (2311236).

Almost surely, 2^104455440 is an apocalyptic number.

104455440 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 104455440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184898880).

104455440 is an abundant number, since it is smaller than the sum of its proper divisors (265342320).

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

104455440 is a wasteful number, since it uses less digits than its factorization.

104455440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 104455440 is about 10220.3444168971. The cubic root of 104455440 is about 470.9524070536.

The spelling of 104455440 in words is "one hundred four million, four hundred fifty-five thousand, four hundred forty".