525042361648 has 80 divisors (see below), whose sum is σ = 1179216461824. Its totient is φ = 221823463680.

The previous prime is 525042361643. The next prime is 525042361673. The reversal of 525042361648 is 846163240525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525042361598 and 525042361607.

It is not an unprimeable number, because it can be changed into a prime (525042361643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115613 + ... + 2350723.

Almost surely, 2^525042361648 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 525042361648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589608230912).

525042361648 is an abundant number, since it is smaller than the sum of its proper divisors (654174100176).

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

525042361648 is a wasteful number, since it uses less digits than its factorization.

525042361648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235410 (or 235404 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 525042361648 in words is "five hundred twenty-five billion, forty-two million, three hundred sixty-one thousand, six hundred forty-eight".