524404040 has 16 divisors (see below), whose sum is σ = 1179909180. Its totient is φ = 209761600.

The previous prime is 524404039. The next prime is 524404073. The reversal of 524404040 is 40404425.

It can be written as a sum of positive squares in 2 ways, for example, as 510669604 + 13734436 = 22598^2 + 3706^2 .

It is a super-4 number, since 4×524404040⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 524403997 and 524404015.

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 3 ways as a sum of consecutive naturals, for example, 6555011 + ... + 6555090.

Almost surely, 2^524404040 is an apocalyptic number.

It is an amenable number.

524404040 is an abundant number, since it is smaller than the sum of its proper divisors (655505140).

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

524404040 is a wasteful number, since it uses less digits than its factorization.

524404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110112 (or 13110108 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 524404040 is about 22899.8698686259. The cubic root of 524404040 is about 806.4089569806.

Adding to 524404040 its reverse (40404425), we get a palindrome (564808465).

The spelling of 524404040 in words is "five hundred twenty-four million, four hundred four thousand, forty".