180469449408 has 112 divisors (see below), whose sum is σ = 489644557920. Its totient is φ = 58628505600.

The previous prime is 180469449389. The next prime is 180469449409. The reversal of 180469449408 is 804944964081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (180469449409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7931488 + ... + 7954208.

It is an arithmetic number, because the mean of its divisors is an integer number (4371826410).

Almost surely, 2^180469449408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180469449408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244822278960).

180469449408 is an abundant number, since it is smaller than the sum of its proper divisors (309175108512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180469449408 is a wasteful number, since it uses less digits than its factorization.

180469449408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23786 (or 23776 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 180469449408 in words is "one hundred eighty billion, four hundred sixty-nine million, four hundred forty-nine thousand, four hundred eight".