524242440 has 48 divisors (see below), whose sum is σ = 1703789100. Its totient is φ = 139797888.

The previous prime is 524242421. The next prime is 524242469. The reversal of 524242440 is 44242425.

It can be written as a sum of positive squares in 2 ways, for example, as 503284356 + 20958084 = 22434^2 + 4578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727755 + ... + 728474.

Almost surely, 2^524242440 is an apocalyptic number.

It is an amenable number.

524242440 is an abundant number, since it is smaller than the sum of its proper divisors (1179546660).

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

524242440 is a wasteful number, since it uses less digits than its factorization.

524242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456246 (or 1456239 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 524242440 is about 22896.3411924264. The cubic root of 524242440 is about 806.3261143213.

Adding to 524242440 its reverse (44242425), we get a palindrome (568484865).

The spelling of 524242440 in words is "five hundred twenty-four million, two hundred forty-two thousand, four hundred forty".