531400514004 has 36 divisors (see below), whose sum is σ = 1350295215360. Its totient is φ = 176206101840.

The previous prime is 531400513993. The next prime is 531400514009. The reversal of 531400514004 is 400415004135.

It is a happy number.

531400514004 is a `hidden beast` number, since 5 + 3 + 140 + 0 + 514 + 0 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×531400514004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531400514009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38634814 + ... + 38648565.

Almost surely, 2^531400514004 is an apocalyptic number.

It is an amenable number.

531400514004 is an abundant number, since it is smaller than the sum of its proper divisors (818894701356).

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

531400514004 is a wasteful number, since it uses less digits than its factorization.

531400514004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77283580 (or 77283575 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 531400514004 its reverse (400415004135), we get a palindrome (931815518139).

The spelling of 531400514004 in words is "five hundred thirty-one billion, four hundred million, five hundred fourteen thousand, four".