535982392440 has 256 divisors, whose sum is σ = 2033768217600. Its totient is φ = 124285708800.

The previous prime is 535982392403. The next prime is 535982392447. The reversal of 535982392440 is 44293289535.

535982392440 is a `hidden beast` number, since 5 + 3 + 5 + 98 + 23 + 92 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535982392447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 707551 + ... + 1254030.

It is an arithmetic number, because the mean of its divisors is an integer number (7944407100).

Almost surely, 2^535982392440 is an apocalyptic number.

It is an amenable number.

535982392440 is an abundant number, since it is smaller than the sum of its proper divisors (1497785825160).

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

535982392440 is a wasteful number, since it uses less digits than its factorization.

535982392440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961635 (or 1961625 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 535982392440 in words is "five hundred thirty-five billion, nine hundred eighty-two million, three hundred ninety-two thousand, four hundred forty".