533251231240 has 64 divisors (see below), whose sum is σ = 1476695727360. Its totient is φ = 168765223680.

The previous prime is 533251231217. The next prime is 533251231241. The reversal of 533251231240 is 42132152335.

It is not an unprimeable number, because it can be changed into a prime (533251231241) 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, 73245156 + ... + 73252435.

It is an arithmetic number, because the mean of its divisors is an integer number (23073370740).

Almost surely, 2^533251231240 is an apocalyptic number.

It is an amenable number.

533251231240 is an abundant number, since it is smaller than the sum of its proper divisors (943444496120).

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

533251231240 is a wasteful number, since it uses less digits than its factorization.

533251231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146497622 (or 146497618 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 533251231240 its reverse (42132152335), we get a palindrome (575383383575).

The spelling of 533251231240 in words is "five hundred thirty-three billion, two hundred fifty-one million, two hundred thirty-one thousand, two hundred forty".