522695040 has 128 divisors (see below), whose sum is σ = 1904152320. Its totient is φ = 119470080.

The previous prime is 522694981. The next prime is 522695051. The reversal of 522695040 is 40596225.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 522694992 and 522695010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6006 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (14876190).

Almost surely, 2^522695040 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 522695040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952076160).

522695040 is an abundant number, since it is smaller than the sum of its proper divisors (1381457280).

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

522695040 is a wasteful number, since it uses less digits than its factorization.

522695040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38920 (or 38908 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 522695040 is about 22862.5247949565. The cubic root of 522695040 is about 805.5319914964.

The spelling of 522695040 in words is "five hundred twenty-two million, six hundred ninety-five thousand, forty".