180380434 has 8 divisors (see below), whose sum is σ = 291383820. Its totient is φ = 83252496.

The previous prime is 180380429. The next prime is 180380441. The reversal of 180380434 is 434083081.

It can be written as a sum of positive squares in 2 ways, for example, as 145274809 + 35105625 = 12053^2 + 5925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 180380396 and 180380405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468829 + ... + 3468880.

Almost surely, 2^180380434 is an apocalyptic number.

180380434 is a deficient number, since it is larger than the sum of its proper divisors (111003386).

180380434 is a wasteful number, since it uses less digits than its factorization.

180380434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937724.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 180380434 is about 13430.5783196406. The cubic root of 180380434 is about 565.0191175300.

The spelling of 180380434 in words is "one hundred eighty million, three hundred eighty thousand, four hundred thirty-four".