452123271620 has 12 divisors (see below), whose sum is σ = 949458870444. Its totient is φ = 180849308640.

The previous prime is 452123271601. The next prime is 452123271679. The reversal of 452123271620 is 26172321254.

It can be written as a sum of positive squares in 2 ways, for example, as 277807001476 + 174316270144 = 527074^2 + 417512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11303081771 + ... + 11303081810.

It is an arithmetic number, because the mean of its divisors is an integer number (79121572537).

Almost surely, 2^452123271620 is an apocalyptic number.

It is an amenable number.

452123271620 is an abundant number, since it is smaller than the sum of its proper divisors (497335598824).

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

452123271620 is a wasteful number, since it uses less digits than its factorization.

452123271620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606163590 (or 22606163588 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 452123271620 its reverse (26172321254), we get a palindrome (478295592874).

The spelling of 452123271620 in words is "four hundred fifty-two billion, one hundred twenty-three million, two hundred seventy-one thousand, six hundred twenty".