2809541488028 has 24 divisors (see below), whose sum is σ = 5404614171264. Its totient is φ = 1267315727600.

The previous prime is 2809541488007. The next prime is 2809541488057. The reversal of 2809541488028 is 8208841459082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243708800 + ... + 243720327.

It is an arithmetic number, because the mean of its divisors is an integer number (225192257136).

Almost surely, 2^{2809541488028} is an apocalyptic number.

It is an amenable number.

2809541488028 is a deficient number, since it is larger than the sum of its proper divisors (2595072683236).

2809541488028 is a wasteful number, since it uses less digits than its factorization.

2809541488028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487429273 (or 487429271 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 59.

The spelling of 2809541488028 in words is "two trillion, eight hundred nine billion, five hundred forty-one million, four hundred eighty-eight thousand, twenty-eight".