404795508780 has 192 divisors, whose sum is σ = 1263818505600. Its totient is φ = 96121159680.

The previous prime is 404795508779. The next prime is 404795508781. The reversal of 404795508780 is 87805597404.

It is an interprime number because it is at equal distance from previous prime (404795508779) and next prime (404795508781).

It is a self number, because there is not a number n which added to its sum of digits gives 404795508780.

It is not an unprimeable number, because it can be changed into a prime (404795508781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27792700 + ... + 27807260.

It is an arithmetic number, because the mean of its divisors is an integer number (6582388050).

Almost surely, 2^404795508780 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 404795508780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631909252800).

404795508780 is an abundant number, since it is smaller than the sum of its proper divisors (859022996820).

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

404795508780 is a wasteful number, since it uses less digits than its factorization.

404795508780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844 (or 15842 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 404795508780 in words is "four hundred four billion, seven hundred ninety-five million, five hundred eight thousand, seven hundred eighty".