525944016 has 400 divisors, whose sum is σ = 1814883840. Its totient is φ = 145566720.

The previous prime is 525944009. The next prime is 525944017. The reversal of 525944016 is 610449525.

525944016 is a `hidden beast` number, since 52 + 594 + 4 + 0 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525944017) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9923446 + ... + 9923498.

Almost surely, 2^525944016 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 525944016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907441920).

525944016 is an abundant number, since it is smaller than the sum of its proper divisors (1288939824).

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

525944016 is a wasteful number, since it uses less digits than its factorization.

525944016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 525944016 is about 22933.4693406820. The cubic root of 525944016 is about 807.1975580782.

The spelling of 525944016 in words is "five hundred twenty-five million, nine hundred forty-four thousand, sixteen".