522049920 has 384 divisors, whose sum is σ = 2009318400. Its totient is φ = 114831360.

The previous prime is 522049907. The next prime is 522049981. The reversal of 522049920 is 29940225.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×522049920² = 545072237944012800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2916391 + ... + 2916569.

It is an arithmetic number, because the mean of its divisors is an integer number (5232600).

Almost surely, 2^522049920 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 522049920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004659200).

522049920 is an abundant number, since it is smaller than the sum of its proper divisors (1487268480).

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

522049920 is a wasteful number, since it uses less digits than its factorization.

522049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 522049920 is about 22848.4117609956. The cubic root of 522049920 is about 805.2004541763.

The spelling of 522049920 in words is "five hundred twenty-two million, forty-nine thousand, nine hundred twenty".