530232133440 has 112 divisors (see below), whose sum is σ = 1688483564352. Its totient is φ = 140975579136.

The previous prime is 530232133411. The next prime is 530232133451. The reversal of 530232133440 is 44331232035.

It is a super-2 number, since 2×530232133440² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 530232133398 and 530232133407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495954 + ... + 1142993.

Almost surely, 2^530232133440 is an apocalyptic number.

It is an amenable number.

530232133440 is an abundant number, since it is smaller than the sum of its proper divisors (1158251430912).

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

530232133440 is a wasteful number, since it uses less digits than its factorization.

530232133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639304 (or 1639294 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 530232133440 its reverse (44331232035), we get a palindrome (574563365475).

The spelling of 530232133440 in words is "five hundred thirty billion, two hundred thirty-two million, one hundred thirty-three thousand, four hundred forty".