520152144 has 20 divisors (see below), whose sum is σ = 1343726496. Its totient is φ = 173384032.

The previous prime is 520152133. The next prime is 520152161. The reversal of 520152144 is 441251025.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418204 + ... + 5418299.

Almost surely, 2^520152144 is an apocalyptic number.

It is an amenable number.

520152144 is an abundant number, since it is smaller than the sum of its proper divisors (823574352).

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

520152144 is a wasteful number, since it uses less digits than its factorization.

520152144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836514 (or 10836508 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 520152144 is about 22806.8442358867. The cubic root of 520152144 is about 804.2235709035.

The spelling of 520152144 in words is "five hundred twenty million, one hundred fifty-two thousand, one hundred forty-four".