525428425860 has 576 divisors, whose sum is σ = 1715603742720. Its totient is φ = 119867904000.

The previous prime is 525428425813. The next prime is 525428425883. The reversal of 525428425860 is 68524824525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 760388115 + ... + 760388805.

It is an arithmetic number, because the mean of its divisors is an integer number (2978478720).

Almost surely, 2^525428425860 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 525428425860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857801871360).

525428425860 is an abundant number, since it is smaller than the sum of its proper divisors (1190175316860).

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

525428425860 is a wasteful number, since it uses less digits than its factorization.

525428425860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 51.

The spelling of 525428425860 in words is "five hundred twenty-five billion, four hundred twenty-eight million, four hundred twenty-five thousand, eight hundred sixty".