452621320 has 16 divisors (see below), whose sum is σ = 1018398060. Its totient is φ = 181048512.

The previous prime is 452621317. The next prime is 452621341. The reversal of 452621320 is 23126254.

It can be written as a sum of positive squares in 2 ways, for example, as 448677124 + 3944196 = 21182^2 + 1986^2 .

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, 5657727 + ... + 5657806.

Almost surely, 2^452621320 is an apocalyptic number.

452621320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452621320 is an abundant number, since it is smaller than the sum of its proper divisors (565776740).

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

452621320 is a wasteful number, since it uses less digits than its factorization.

452621320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315544 (or 11315540 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 452621320 is about 21274.8988246713. The cubic root of 452621320 is about 767.7945097291.

Adding to 452621320 its reverse (23126254), we get a palindrome (475747574).

The spelling of 452621320 in words is "four hundred fifty-two million, six hundred twenty-one thousand, three hundred twenty".