2055881280 has 56 divisors (see below), whose sum is σ = 6527426112. Its totient is φ = 548234752.

The previous prime is 2055881279. The next prime is 2055881287. The reversal of 2055881280 is 821885502.

It is not an unprimeable number, because it can be changed into a prime (2055881287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069812 + ... + 1071731.

Almost surely, 2^2055881280 is an apocalyptic number.

2055881280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055881280 is an abundant number, since it is smaller than the sum of its proper divisors (4471544832).

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

2055881280 is a wasteful number, since it uses less digits than its factorization.

2055881280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141563 (or 2141553 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 2055881280 is about 45341.8270474404. The cubic root of 2055881280 is about 1271.5477605964.

The spelling of 2055881280 in words is "two billion, fifty-five million, eight hundred eighty-one thousand, two hundred eighty".