452142230520 has 32 divisors (see below), whose sum is σ = 1356426691920. Its totient is φ = 120571261440.

The previous prime is 452142230497. The next prime is 452142230537. The reversal of 452142230520 is 25032241254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883925841 + ... + 1883926080.

Almost surely, 2^452142230520 is an apocalyptic number.

452142230520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452142230520 is an abundant number, since it is smaller than the sum of its proper divisors (904284461400).

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

452142230520 is a wasteful number, since it uses less digits than its factorization.

452142230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767851935 (or 3767851931 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 452142230520 its reverse (25032241254), we get a palindrome (477174471774).

The spelling of 452142230520 in words is "four hundred fifty-two billion, one hundred forty-two million, two hundred thirty thousand, five hundred twenty".