180709701242 has 16 divisors (see below), whose sum is σ = 328010886720. Its totient is φ = 72891307968.

The previous prime is 180709701217. The next prime is 180709701247. The reversal of 180709701242 is 242107907081.

It is a super-2 number, since 2×180709701242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180709701242.

It is not an unprimeable number, because it can be changed into a prime (180709701247) 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, 379641992 + ... + 379642467.

It is an arithmetic number, because the mean of its divisors is an integer number (20500680420).

Almost surely, 2^180709701242 is an apocalyptic number.

180709701242 is a deficient number, since it is larger than the sum of its proper divisors (147301185478).

180709701242 is a wasteful number, since it uses less digits than its factorization.

180709701242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759284485.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 180709701242 in words is "one hundred eighty billion, seven hundred nine million, seven hundred one thousand, two hundred forty-two".