453531512240 has 20 divisors (see below), whose sum is σ = 1054460766144. Its totient is φ = 181412604864.

The previous prime is 453531512207. The next prime is 453531512249. The reversal of 453531512240 is 42215135354.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 453531512240.

It is not an unprimeable number, because it can be changed into a prime (453531512249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834571872 + ... + 2834572031.

Almost surely, 2^453531512240 is an apocalyptic number.

453531512240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

453531512240 is an abundant number, since it is smaller than the sum of its proper divisors (600929253904).

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

453531512240 is a wasteful number, since it uses less digits than its factorization.

453531512240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669143916 (or 5669143910 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 453531512240 its reverse (42215135354), we get a palindrome (495746647594).

The spelling of 453531512240 in words is "four hundred fifty-three billion, five hundred thirty-one million, five hundred twelve thousand, two hundred forty".