538316320 has 48 divisors (see below), whose sum is σ = 1289711808. Its totient is φ = 212289280.

The previous prime is 538316309. The next prime is 538316321. The reversal of 538316320 is 23613835.

It is not an unprimeable number, because it can be changed into a prime (538316321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12334 + ... + 35053.

It is an arithmetic number, because the mean of its divisors is an integer number (26868996).

Almost surely, 2^538316320 is an apocalyptic number.

It is an amenable number.

538316320 is an abundant number, since it is smaller than the sum of its proper divisors (751395488).

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

538316320 is a wasteful number, since it uses less digits than its factorization.

538316320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47473 (or 47465 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 538316320 is about 23201.6447692831. The cubic root of 538316320 is about 813.4780685420.

The spelling of 538316320 in words is "five hundred thirty-eight million, three hundred sixteen thousand, three hundred twenty".