525554384940 has 360 divisors, whose sum is σ = 1890292995360. Its totient is φ = 121756317696.

The previous prime is 525554384939. The next prime is 525554384951. The reversal of 525554384940 is 49483455525.

525554384940 is a `hidden beast` number, since 5 + 2 + 5 + 5 + 543 + 8 + 4 + 94 + 0 = 666.

525554384940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4597801 + ... + 4710719.

It is an arithmetic number, because the mean of its divisors is an integer number (5250813876).

Almost surely, 2^525554384940 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 525554384940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945146497680).

525554384940 is an abundant number, since it is smaller than the sum of its proper divisors (1364738610420).

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

525554384940 is a wasteful number, since it uses less digits than its factorization.

525554384940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112983 (or 112959 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 525554384940 in words is "five hundred twenty-five billion, five hundred fifty-four million, three hundred eighty-four thousand, nine hundred forty".