404004421104 has 40 divisors (see below), whose sum is σ = 1054437667920. Its totient is φ = 133279807488.

The previous prime is 404004421103. The next prime is 404004421123. The reversal of 404004421104 is 401124400404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404004421103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43380699 + ... + 43390010.

It is an arithmetic number, because the mean of its divisors is an integer number (26360941698).

Almost surely, 2^404004421104 is an apocalyptic number.

It is an amenable number.

404004421104 is an abundant number, since it is smaller than the sum of its proper divisors (650433246816).

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

404004421104 is a wasteful number, since it uses less digits than its factorization.

404004421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86770817 (or 86770811 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 404004421104 its reverse (401124400404), we get a palindrome (805128821508).

It can be divided in two parts, 404004421 and 104, that added together give a triangular number (404004525 = T₂₈₄₂₅).

The spelling of 404004421104 in words is "four hundred four billion, four million, four hundred twenty-one thousand, one hundred four".