180411530 has 16 divisors (see below), whose sum is σ = 349721064. Its totient is φ = 66613440.

The previous prime is 180411529. The next prime is 180411559. The reversal of 180411530 is 35114081.

It can be written as a sum of positive squares in 4 ways, for example, as 56957209 + 123454321 = 7547^2 + 11111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 180411496 and 180411505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693761 + ... + 694020.

Almost surely, 2^180411530 is an apocalyptic number.

180411530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180411530 is a deficient number, since it is larger than the sum of its proper divisors (169309534).

180411530 is a wasteful number, since it uses less digits than its factorization.

180411530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387801.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 180411530 is about 13431.7359265286. The cubic root of 180411530 is about 565.0515837728.

The spelling of 180411530 in words is "one hundred eighty million, four hundred eleven thousand, five hundred thirty".