180408423604 has 12 divisors (see below), whose sum is σ = 334286196804. Its totient is φ = 84898081664.

The previous prime is 180408423599. The next prime is 180408423619. The reversal of 180408423604 is 406324804081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 165754836900 + 14653586704 = 407130^2 + 121052^2 .

It is a congruent number.

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, 1326532459 + ... + 1326532594.

It is an arithmetic number, because the mean of its divisors is an integer number (27857183067).

Almost surely, 2^180408423604 is an apocalyptic number.

It is an amenable number.

180408423604 is a deficient number, since it is larger than the sum of its proper divisors (153877773200).

180408423604 is a wasteful number, since it uses less digits than its factorization.

180408423604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653065074 (or 2653065072 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 180408423604 in words is "one hundred eighty billion, four hundred eight million, four hundred twenty-three thousand, six hundred four".