404145224052 has 24 divisors (see below), whose sum is σ = 943483533216. Its totient is φ = 134646787488.

The previous prime is 404145224011. The next prime is 404145224057. The reversal of 404145224052 is 250422541404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404145224057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8511238 + ... + 8558589.

It is an arithmetic number, because the mean of its divisors is an integer number (39311813884).

Almost surely, 2^404145224052 is an apocalyptic number.

It is an amenable number.

404145224052 is an abundant number, since it is smaller than the sum of its proper divisors (539338309164).

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

404145224052 is a wasteful number, since it uses less digits than its factorization.

404145224052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17071807 (or 17071805 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 404145224052 its reverse (250422541404), we get a palindrome (654567765456).

The spelling of 404145224052 in words is "four hundred four billion, one hundred forty-five million, two hundred twenty-four thousand, fifty-two".