404142213044220 has 384 divisors, whose sum is σ = 1382688769093632. Its totient is φ = 86185799884800.

The previous prime is 404142213044191. The next prime is 404142213044267. The reversal of 404142213044220 is 22440312241404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1925142702 + ... + 1925352618.

It is an arithmetic number, because the mean of its divisors is an integer number (3600752002848).

Almost surely, 2^{404142213044220} 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 404142213044220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691344384546816).

404142213044220 is an abundant number, since it is smaller than the sum of its proper divisors (978546556049412).

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

404142213044220 is a wasteful number, since it uses less digits than its factorization.

404142213044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214861 (or 214859 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 404142213044220 its reverse (22440312241404), we get a palindrome (426582525285624).

The spelling of 404142213044220 in words is "four hundred four trillion, one hundred forty-two billion, two hundred thirteen million, forty-four thousand, two hundred twenty".