180064490 has 16 divisors (see below), whose sum is σ = 324269352. Its totient is φ = 71991744.

The previous prime is 180064481. The next prime is 180064499. The reversal of 180064490 is 94460081.

It is an interprime number because it is at equal distance from previous prime (180064481) and next prime (180064499).

It can be written as a sum of positive squares in 4 ways, for example, as 130347889 + 49716601 = 11417^2 + 7051^2 .

It is not an unprimeable number, because it can be changed into a prime (180064499) 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, 36872 + ... + 41468.

Almost surely, 2^180064490 is an apocalyptic number.

180064490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180064490 is a deficient number, since it is larger than the sum of its proper divisors (144204862).

180064490 is a wasteful number, since it uses less digits than its factorization.

180064490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 180064490 is about 13418.8110501639. The cubic root of 180064490 is about 564.6890397367.

The spelling of 180064490 in words is "one hundred eighty million, sixty-four thousand, four hundred ninety".