103104021440 has 112 divisors (see below), whose sum is σ = 280681371072. Its totient is φ = 35338469376.

The previous prime is 103104021437. The next prime is 103104021457. The reversal of 103104021440 is 44120401301.

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

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9709574 + ... + 9720186.

Almost surely, 2^103104021440 is an apocalyptic number.

103104021440 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 103104021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140340685536).

103104021440 is an abundant number, since it is smaller than the sum of its proper divisors (177577349632).

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

103104021440 is a wasteful number, since it uses less digits than its factorization.

103104021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974 (or 14964 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 103104021440 its reverse (44120401301), we get a palindrome (147224422741).

The spelling of 103104021440 in words is "one hundred three billion, one hundred four million, twenty-one thousand, four hundred forty".