531041533434040 has 16 divisors (see below), whose sum is σ = 1194843450226680. Its totient is φ = 212416613373600.

The previous prime is 531041533434011. The next prime is 531041533434067. The reversal of 531041533434040 is 40434335140135.

It is a super-2 number, since 2×531041533434040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 13276038335851 = 531041533434040 / (5 + 3 + 1 + 0 + 4 + 1 + 5 + 3 + 3 + 4 + 3 + 4 + 0 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 531041533433984 and 531041533434002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6638019167886 + ... + 6638019167965.

Almost surely, 2^{531041533434040} is an apocalyptic number.

It is an amenable number.

531041533434040 is an abundant number, since it is smaller than the sum of its proper divisors (663801916792640).

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

531041533434040 is a wasteful number, since it uses less digits than its factorization.

531041533434040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13276038335862 (or 13276038335858 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 531041533434040 its reverse (40434335140135), we get a palindrome (571475868574175).

The spelling of 531041533434040 in words is "five hundred thirty-one trillion, forty-one billion, five hundred thirty-three million, four hundred thirty-four thousand, forty".