104020211440 has 40 divisors (see below), whose sum is σ = 241860457440. Its totient is φ = 41605767936.

The previous prime is 104020211431. The next prime is 104020211497. The reversal of 104020211440 is 44112020401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622637 + ... + 2662003.

It is an arithmetic number, because the mean of its divisors is an integer number (6046511436).

Almost surely, 2^104020211440 is an apocalyptic number.

104020211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104020211440 is an abundant number, since it is smaller than the sum of its proper divisors (137840246000).

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

104020211440 is a wasteful number, since it uses less digits than its factorization.

104020211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72409 (or 72403 counting only the distinct ones).

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

Adding to 104020211440 its reverse (44112020401), we get a palindrome (148132231841).

The spelling of 104020211440 in words is "one hundred four billion, twenty million, two hundred eleven thousand, four hundred forty".