535731134440 has 16 divisors (see below), whose sum is σ = 1205395052580. Its totient is φ = 214292453760.

The previous prime is 535731134401. The next prime is 535731134441. The reversal of 535731134440 is 44431137535.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 501839060836 + 33892073604 = 708406^2 + 184098^2 .

It is a super-2 number, since 2×535731134440² (a number of 24 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: 13393278361 = 535731134440 / (5 + 3 + 5 + 7 + 3 + 1 + 1 + 3 + 4 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 535731134393 and 535731134402.

It is not an unprimeable number, because it can be changed into a prime (535731134441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6696639141 + ... + 6696639220.

Almost surely, 2^535731134440 is an apocalyptic number.

It is an amenable number.

535731134440 is an abundant number, since it is smaller than the sum of its proper divisors (669663918140).

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

535731134440 is a wasteful number, since it uses less digits than its factorization.

535731134440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13393278372 (or 13393278368 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 535731134440 in words is "five hundred thirty-five billion, seven hundred thirty-one million, one hundred thirty-four thousand, four hundred forty".