520148992 has 72 divisors (see below), whose sum is σ = 1143733500. Its totient is φ = 236318720.

The previous prime is 520148987. The next prime is 520149029. The reversal of 520148992 is 299841025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246759 + ... + 248857.

Almost surely, 2^520148992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520148992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571866750).

520148992 is an abundant number, since it is smaller than the sum of its proper divisors (623584508).

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

520148992 is a wasteful number, since it uses less digits than its factorization.

520148992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 520148992 is about 22806.7751337185. The cubic root of 520148992 is about 804.2219464315.

The spelling of 520148992 in words is "five hundred twenty million, one hundred forty-eight thousand, nine hundred ninety-two".