524744020 has 12 divisors (see below), whose sum is σ = 1101962484. Its totient is φ = 209897600.

The previous prime is 524743969. The next prime is 524744023. The reversal of 524744020 is 20447425.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 407151684 + 117592336 = 20178^2 + 10844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 524744020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524744023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13118581 + ... + 13118620.

It is an arithmetic number, because the mean of its divisors is an integer number (91830207).

Almost surely, 2^524744020 is an apocalyptic number.

It is an amenable number.

524744020 is an abundant number, since it is smaller than the sum of its proper divisors (577218464).

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

524744020 is a wasteful number, since it uses less digits than its factorization.

524744020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26237210 (or 26237208 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 524744020 is about 22907.2918521592. The cubic root of 524744020 is about 806.5831888512.

The spelling of 524744020 in words is "five hundred twenty-four million, seven hundred forty-four thousand, twenty".