535538689560 has 384 divisors, whose sum is σ = 2065054118400. Its totient is φ = 122276044800.

The previous prime is 535538689489. The next prime is 535538689571. The reversal of 535538689560 is 65986835535.

535538689560 is a `hidden beast` number, since 5 + 3 + 5 + 5 + 3 + 8 + 68 + 9 + 560 = 666.

535538689560 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71506296 + ... + 71513784.

It is an arithmetic number, because the mean of its divisors is an integer number (5377745100).

Almost surely, 2^535538689560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 535538689560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032527059200).

535538689560 is an abundant number, since it is smaller than the sum of its proper divisors (1529515428840).

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

535538689560 is a wasteful number, since it uses less digits than its factorization.

535538689560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8573 (or 8557 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 63.

The spelling of 535538689560 in words is "five hundred thirty-five billion, five hundred thirty-eight million, six hundred eighty-nine thousand, five hundred sixty".