104399530380 has 144 divisors (see below), whose sum is σ = 325120539744. Its totient is φ = 27105761280.

The previous prime is 104399530363. The next prime is 104399530409. The reversal of 104399530380 is 83035993401.

104399530380 is a `hidden beast` number, since 1 + 0 + 4 + 39 + 9 + 530 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 1207972 + ... + 1291508.

It is an arithmetic number, because the mean of its divisors is an integer number (2257781526).

Almost surely, 2^104399530380 is an apocalyptic number.

104399530380 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 104399530380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162560269872).

104399530380 is an abundant number, since it is smaller than the sum of its proper divisors (220721009364).

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

104399530380 is a wasteful number, since it uses less digits than its factorization.

104399530380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83736 (or 83731 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 104399530380 in words is "one hundred four billion, three hundred ninety-nine million, five hundred thirty thousand, three hundred eighty".