104304440 has 64 divisors (see below), whose sum is σ = 240861600. Its totient is φ = 40640512.

The previous prime is 104304439. The next prime is 104304479. The reversal of 104304440 is 44403401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295304 + ... + 295656.

Almost surely, 2^104304440 is an apocalyptic number.

104304440 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 104304440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120430800).

104304440 is an abundant number, since it is smaller than the sum of its proper divisors (136557160).

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

104304440 is a wasteful number, since it uses less digits than its factorization.

104304440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104304440 is about 10212.9545186493. The cubic root of 104304440 is about 470.7253625256.

Adding to 104304440 its reverse (44403401), we get a palindrome (148707841).

The spelling of 104304440 in words is "one hundred four million, three hundred four thousand, four hundred forty".