104001040044 has 48 divisors (see below), whose sum is σ = 294144359040. Its totient is φ = 31515466320.

The previous prime is 104001040037. The next prime is 104001040061. The reversal of 104001040044 is 440040100401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 104001039999 and 104001040026.

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, 43770294 + ... + 43772669.

It is an arithmetic number, because the mean of its divisors is an integer number (6128007480).

Almost surely, 2^104001040044 is an apocalyptic number.

It is an amenable number.

104001040044 is an abundant number, since it is smaller than the sum of its proper divisors (190143318996).

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

104001040044 is a wasteful number, since it uses less digits than its factorization.

104001040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87542987 (or 87542979 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 104001040044 its reverse (440040100401), we get a palindrome (544041140445).

The spelling of 104001040044 in words is "one hundred four billion, one million, forty thousand, forty-four".