2609041808180 has 48 divisors (see below), whose sum is σ = 5801672486736. Its totient is φ = 982161254400.

The previous prime is 2609041808147. The next prime is 2609041808203. The reversal of 2609041808180 is 818081409062.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 631153980304 + 1977887827876 = 794452^2 + 1406374^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4943030 + ... + 5445330.

It is an arithmetic number, because the mean of its divisors is an integer number (120868176807).

Almost surely, 2^{2609041808180} is an apocalyptic number.

2609041808180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2609041808180 is an abundant number, since it is smaller than the sum of its proper divisors (3192630678556).

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

2609041808180 is a wasteful number, since it uses less digits than its factorization.

2609041808180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517604 (or 517602 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 2609041808180 in words is "two trillion, six hundred nine billion, forty-one million, eight hundred eight thousand, one hundred eighty".