522473040 has 120 divisors (see below), whose sum is σ = 1772964648. Its totient is φ = 137871360.

The previous prime is 522473023. The next prime is 522473069. The reversal of 522473040 is 40374225.

It can be written as a sum of positive squares in 4 ways, for example, as 121352256 + 401120784 = 11016^2 + 20028^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 522472995 and 522473013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66100 + ... + 73580.

Almost surely, 2^522473040 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 522473040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886482324).

522473040 is an abundant number, since it is smaller than the sum of its proper divisors (1250491608).

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

522473040 is a wasteful number, since it uses less digits than its factorization.

522473040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597 (or 7588 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 522473040 is about 22857.6691725119. The cubic root of 522473040 is about 805.4179330035.

The spelling of 522473040 in words is "five hundred twenty-two million, four hundred seventy-three thousand, forty".