452253346540 has 144 divisors (see below), whose sum is σ = 1023392559168. Its totient is φ = 167742254592.

The previous prime is 452253346513. The next prime is 452253346553. The reversal of 452253346540 is 45643352254.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114695809 + ... + 114699751.

It is an arithmetic number, because the mean of its divisors is an integer number (7106892772).

Almost surely, 2^452253346540 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 452253346540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511696279584).

452253346540 is an abundant number, since it is smaller than the sum of its proper divisors (571139212628).

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

452253346540 is a wasteful number, since it uses less digits than its factorization.

452253346540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 452253346540 its reverse (45643352254), we get a palindrome (497896698794).

The spelling of 452253346540 in words is "four hundred fifty-two billion, two hundred fifty-three million, three hundred forty-six thousand, five hundred forty".