525334549428 has 192 divisors, whose sum is σ = 1593750323200. Its totient is φ = 148193919360.

The previous prime is 525334549403. The next prime is 525334549451. The reversal of 525334549428 is 824945433525.

525334549428 is a `hidden beast` number, since 5 + 2 + 53 + 3 + 4 + 549 + 42 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509325 + ... + 1144587.

Almost surely, 2^525334549428 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 525334549428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796875161600).

525334549428 is an abundant number, since it is smaller than the sum of its proper divisors (1068415773772).

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

525334549428 is a wasteful number, since it uses less digits than its factorization.

525334549428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635339 (or 635331 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 525334549428 in words is "five hundred twenty-five billion, three hundred thirty-four million, five hundred forty-nine thousand, four hundred twenty-eight".