405353044452 has 48 divisors (see below), whose sum is σ = 978908515200. Its totient is φ = 130395767040.

The previous prime is 405353044403. The next prime is 405353044457. The reversal of 405353044452 is 254440353504.

It is a super-2 number, since 2×405353044452² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405353044452.

It is not an unprimeable number, because it can be changed into a prime (405353044457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448177 + ... + 1005767.

It is an arithmetic number, because the mean of its divisors is an integer number (20393927400).

Almost surely, 2^405353044452 is an apocalyptic number.

It is an amenable number.

405353044452 is an abundant number, since it is smaller than the sum of its proper divisors (573555470748).

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

405353044452 is a wasteful number, since it uses less digits than its factorization.

405353044452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559716 (or 559714 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 405353044452 its reverse (254440353504), we get a palindrome (659793397956).

The spelling of 405353044452 in words is "four hundred five billion, three hundred fifty-three million, forty-four thousand, four hundred fifty-two".