525420878160 has 160 divisors (see below), whose sum is σ = 1726068845952. Its totient is φ = 131759308800.

The previous prime is 525420878149. The next prime is 525420878233. The reversal of 525420878160 is 61878024525.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4846467 + ... + 4953693.

Almost surely, 2^525420878160 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 525420878160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863034422976).

525420878160 is an abundant number, since it is smaller than the sum of its proper divisors (1200647967792).

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

525420878160 is a wasteful number, since it uses less digits than its factorization.

525420878160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108461 (or 108455 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 525420878160 in words is "five hundred twenty-five billion, four hundred twenty million, eight hundred seventy-eight thousand, one hundred sixty".