404341041040 has 80 divisors (see below), whose sum is σ = 1009412357760. Its totient is φ = 150078494720.

The previous prime is 404341041007. The next prime is 404341041043. The reversal of 404341041040 is 40140143404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 404341040996 and 404341041014.

It is not an unprimeable number, because it can be changed into a prime (404341041043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1997170 + ... + 2190289.

It is an arithmetic number, because the mean of its divisors is an integer number (12617654472).

Almost surely, 2^404341041040 is an apocalyptic number.

404341041040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404341041040 is an abundant number, since it is smaller than the sum of its proper divisors (605071316720).

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

404341041040 is a wasteful number, since it uses less digits than its factorization.

404341041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187560 (or 4187554 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 404341041040 its reverse (40140143404), we get a palindrome (444481184444).

The spelling of 404341041040 in words is "four hundred four billion, three hundred forty-one million, forty-one thousand, forty".