532440542234421 has 6 divisors (see below), whose sum is σ = 769080783227510. Its totient is φ = 354960361489608.

The previous prime is 532440542234407. The next prime is 532440542234441. The reversal of 532440542234421 is 124432245044235.

532440542234421 is a `hidden beast` number, since 5 + 3 + 2 + 4 + 40 + 542 + 2 + 3 + 44 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 379006489311921 + 153434052922500 = 19468089^2 + 12386850^2 .

It is not a de Polignac number, because 532440542234421 - 2⁴⁵ = 497256170145589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532440542234441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29580030124126 + ... + 29580030124143.

Almost surely, 2^{532440542234421} is an apocalyptic number.

It is an amenable number.

532440542234421 is a deficient number, since it is larger than the sum of its proper divisors (236640240993089).

532440542234421 is a wasteful number, since it uses less digits than its factorization.

532440542234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59160060248275 (or 59160060248272 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

Adding to 532440542234421 its reverse (124432245044235), we get a palindrome (656872787278656).

The spelling of 532440542234421 in words is "five hundred thirty-two trillion, four hundred forty billion, five hundred forty-two million, two hundred thirty-four thousand, four hundred twenty-one".