525543478488 has 576 divisors, whose sum is σ = 1836469739520. Its totient is φ = 134652672000.

The previous prime is 525543478483. The next prime is 525543478513. The reversal of 525543478488 is 884874345525.

525543478488 is a `hidden beast` number, since 5 + 2 + 5 + 54 + 34 + 78 + 488 = 666.

It is a super-2 number, since 2×525543478488² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525543478483) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 456596713 + ... + 456597863.

It is an arithmetic number, because the mean of its divisors is an integer number (3188315520).

Almost surely, 2^525543478488 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 525543478488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918234869760).

525543478488 is an abundant number, since it is smaller than the sum of its proper divisors (1310926261032).

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

525543478488 is a wasteful number, since it uses less digits than its factorization.

525543478488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1534 counting only the distinct ones).

The product of its digits is 172032000, while the sum is 63.

The spelling of 525543478488 in words is "five hundred twenty-five billion, five hundred forty-three million, four hundred seventy-eight thousand, four hundred eighty-eight".