104210021440 has 112 divisors (see below), whose sum is σ = 290517462144. Its totient is φ = 34857676800.

The previous prime is 104210021429. The next prime is 104210021519. The reversal of 104210021440 is 44120012401.

It is a tau number, because it is divible by the number of its divisors (112).

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, 475506 + ... + 659185.

It is an arithmetic number, because the mean of its divisors is an integer number (2593905912).

Almost surely, 2^104210021440 is an apocalyptic number.

104210021440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104210021440 is an abundant number, since it is smaller than the sum of its proper divisors (186307440704).

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

104210021440 is a wasteful number, since it uses less digits than its factorization.

104210021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134756 (or 1134746 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 104210021440 its reverse (44120012401), we get a palindrome (148330033841).

The spelling of 104210021440 in words is "one hundred four billion, two hundred ten million, twenty-one thousand, four hundred forty".