404102303340 has 96 divisors (see below), whose sum is σ = 1159352732160. Its totient is φ = 105107904000.

The previous prime is 404102303273. The next prime is 404102303347. The reversal of 404102303340 is 43303201404.

It is a self number, because there is not a number n which added to its sum of digits gives 404102303340.

It is not an unprimeable number, because it can be changed into a prime (404102303347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12162871 + ... + 12196049.

It is an arithmetic number, because the mean of its divisors is an integer number (12076590960).

Almost surely, 2^404102303340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404102303340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579676366080).

404102303340 is an abundant number, since it is smaller than the sum of its proper divisors (755250428820).

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

404102303340 is a wasteful number, since it uses less digits than its factorization.

404102303340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38183 (or 38181 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 404102303340 its reverse (43303201404), we get a palindrome (447405504744).

The spelling of 404102303340 in words is "four hundred four billion, one hundred two million, three hundred three thousand, three hundred forty".