452520340 has 48 divisors (see below), whose sum is σ = 1002355200. Its totient is φ = 171130752.

The previous prime is 452520337. The next prime is 452520349. The reversal of 452520340 is 43025254.

It is a super-2 number, since 2×452520340² = 409549316227431200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452520349) 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, 256381 + ... + 258139.

It is an arithmetic number, because the mean of its divisors is an integer number (20882400).

Almost surely, 2^452520340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452520340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501177600).

452520340 is an abundant number, since it is smaller than the sum of its proper divisors (549834860).

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

452520340 is a wasteful number, since it uses less digits than its factorization.

452520340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 452520340 is about 21272.5254730133. The cubic root of 452520340 is about 767.7374070602.

Adding to 452520340 its reverse (43025254), we get a palindrome (495545594).

The spelling of 452520340 in words is "four hundred fifty-two million, five hundred twenty thousand, three hundred forty".