404788222776 has 192 divisors, whose sum is σ = 1292415886080. Its totient is φ = 103121372160.

The previous prime is 404788222763. The next prime is 404788222777. The reversal of 404788222776 is 677222887404.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404788222777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 834711 + ... + 1227321.

It is an arithmetic number, because the mean of its divisors is an integer number (6731332740).

Almost surely, 2^404788222776 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 404788222776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646207943040).

404788222776 is an abundant number, since it is smaller than the sum of its proper divisors (887627663304).

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

404788222776 is a wasteful number, since it uses less digits than its factorization.

404788222776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392682 (or 392659 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 57.

The spelling of 404788222776 in words is "four hundred four billion, seven hundred eighty-eight million, two hundred twenty-two thousand, seven hundred seventy-six".