524323380 has 96 divisors (see below), whose sum is σ = 1686617856. Its totient is φ = 119218176.

The previous prime is 524323379. The next prime is 524323453. The reversal of 524323380 is 83323425.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 79572 + ... + 85908.

It is an arithmetic number, because the mean of its divisors is an integer number (17568936).

Almost surely, 2^524323380 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 524323380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843308928).

524323380 is an abundant number, since it is smaller than the sum of its proper divisors (1162294476).

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

524323380 is a wasteful number, since it uses less digits than its factorization.

524323380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553 (or 6551 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 524323380 is about 22898.1086555200. The cubic root of 524323380 is about 806.3676095483.

The spelling of 524323380 in words is "five hundred twenty-four million, three hundred twenty-three thousand, three hundred eighty".