404022012144 has 80 divisors (see below), whose sum is σ = 1045675167744. Its totient is φ = 134422444800.

The previous prime is 404022012139. The next prime is 404022012157. The reversal of 404022012144 is 441210220404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69404754 + ... + 69410574.

Almost surely, 2^404022012144 is an apocalyptic number.

It is an amenable number.

404022012144 is an abundant number, since it is smaller than the sum of its proper divisors (641653155600).

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

404022012144 is a wasteful number, since it uses less digits than its factorization.

404022012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286 (or 8280 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 404022012144 its reverse (441210220404), we get a palindrome (845232232548).

The spelling of 404022012144 in words is "four hundred four billion, twenty-two million, twelve thousand, one hundred forty-four".