2055579489980 has 24 divisors (see below), whose sum is σ = 4318170983280. Its totient is φ = 821954833280.

The previous prime is 2055579489967. The next prime is 2055579490033. The reversal of 2055579489980 is 899849755502.

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, 17249306 + ... + 17368065.

It is an arithmetic number, because the mean of its divisors is an integer number (179923790970).

Almost surely, 2^{2055579489980} is an apocalyptic number.

2055579489980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055579489980 is an abundant number, since it is smaller than the sum of its proper divisors (2262591493300).

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

2055579489980 is a wasteful number, since it uses less digits than its factorization.

2055579489980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34620349 (or 34620347 counting only the distinct ones).

The product of its (nonzero) digits is 326592000, while the sum is 71.

The spelling of 2055579489980 in words is "two trillion, fifty-five billion, five hundred seventy-nine million, four hundred eighty-nine thousand, nine hundred eighty".