180398568 has 64 divisors (see below), whose sum is σ = 537845760. Its totient is φ = 49300416.

The previous prime is 180398567. The next prime is 180398587. The reversal of 180398568 is 865893081.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (180398567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19480 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (8403840).

Almost surely, 2^180398568 is an apocalyptic number.

It is an amenable number.

180398568 is an abundant number, since it is smaller than the sum of its proper divisors (357447192).

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

180398568 is a wasteful number, since it uses less digits than its factorization.

180398568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46726 (or 46722 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 180398568 is about 13431.2534039084. The cubic root of 180398568 is about 565.0380510568.

The spelling of 180398568 in words is "one hundred eighty million, three hundred ninety-eight thousand, five hundred sixty-eight".