524042320 has 40 divisors (see below), whose sum is σ = 1248123240. Its totient is φ = 204503040.

The previous prime is 524042317. The next prime is 524042341. The reversal of 524042320 is 23240425.

It can be written as a sum of positive squares in 4 ways, for example, as 16711744 + 507330576 = 4088^2 + 22524^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 524042291 and 524042300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76605 + ... + 83164.

It is an arithmetic number, because the mean of its divisors is an integer number (31203081).

Almost surely, 2^524042320 is an apocalyptic number.

It is an amenable number.

524042320 is an abundant number, since it is smaller than the sum of its proper divisors (724080920).

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

524042320 is a wasteful number, since it uses less digits than its factorization.

524042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159823 (or 159817 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 524042320 is about 22891.9706447479. The cubic root of 524042320 is about 806.2235011622.

Adding to 524042320 its reverse (23240425), we get a palindrome (547282745).

The spelling of 524042320 in words is "five hundred twenty-four million, forty-two thousand, three hundred twenty".