452351232133440 has 112 divisors (see below), whose sum is σ = 1460557792071360. Its totient is φ = 118582469877760.

The previous prime is 452351232133421. The next prime is 452351232133447. The reversal of 452351232133440 is 44331232153254.

It is a junction number, because it is equal to n+sod(n) for n = 452351232133392 and 452351232133401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452351232133447) 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, 3993156921 + ... + 3993270200.

Almost surely, 2^{452351232133440} is an apocalyptic number.

452351232133440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452351232133440 is an abundant number, since it is smaller than the sum of its proper divisors (1008206559937920).

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

452351232133440 is a wasteful number, since it uses less digits than its factorization.

452351232133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986427200 (or 7986427190 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 452351232133440 its reverse (44331232153254), we get a palindrome (496682464286694).

The spelling of 452351232133440 in words is "four hundred fifty-two trillion, three hundred fifty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, four hundred forty".