520793140 has 96 divisors (see below), whose sum is σ = 1312464384. Its totient is φ = 169720320.

The previous prime is 520793137. The next prime is 520793159. The reversal of 520793140 is 41397025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633930 + ... + 634750.

It is an arithmetic number, because the mean of its divisors is an integer number (13671504).

Almost surely, 2^520793140 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 520793140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656232192).

520793140 is an abundant number, since it is smaller than the sum of its proper divisors (791671244).

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

520793140 is a wasteful number, since it uses less digits than its factorization.

520793140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 520793140 is about 22820.8926205791. The cubic root of 520793140 is about 804.5537899794.

The spelling of 520793140 in words is "five hundred twenty million, seven hundred ninety-three thousand, one hundred forty".