452616163520 has 112 divisors (see below), whose sum is σ = 1083104898048. Its totient is φ = 180156334080.

The previous prime is 452616163429. The next prime is 452616163523. The reversal of 452616163520 is 25361616254.

It is a happy number.

It is a super-2 number, since 2×452616163520² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (452616163523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56005880 + ... + 56013960.

Almost surely, 2^452616163520 is an apocalyptic number.

452616163520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452616163520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541552449024).

452616163520 is an abundant number, since it is smaller than the sum of its proper divisors (630488734528).

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

452616163520 is a wasteful number, since it uses less digits than its factorization.

452616163520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938 (or 8928 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 452616163520 its reverse (25361616254), we get a palindrome (477977779774).

The spelling of 452616163520 in words is "four hundred fifty-two billion, six hundred sixteen million, one hundred sixty-three thousand, five hundred twenty".