2655809479680 has 352 divisors, whose sum is σ = 10278994058496. Its totient is φ = 571333410816.

The previous prime is 2655809479669. The next prime is 2655809479693. The reversal of 2655809479680 is 869749085562.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101352 + ... + 2554328.

Almost surely, 2^{2655809479680} is an apocalyptic number.

2655809479680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2655809479680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5139497029248).

2655809479680 is an abundant number, since it is smaller than the sum of its proper divisors (7623184578816).

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

2655809479680 is a wasteful number, since it uses less digits than its factorization.

2655809479680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453029 (or 1453011 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 2655809479680 in words is "two trillion, six hundred fifty-five billion, eight hundred nine million, four hundred seventy-nine thousand, six hundred eighty".