2071776280 has 128 divisors (see below), whose sum is σ = 5428684800. Its totient is φ = 696955392.

The previous prime is 2071776263. The next prime is 2071776293. The reversal of 2071776280 is 826771702.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5554174 + ... + 5554546.

It is an arithmetic number, because the mean of its divisors is an integer number (42411600).

Almost surely, 2^2071776280 is an apocalyptic number.

2071776280 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 2071776280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714342400).

2071776280 is an abundant number, since it is smaller than the sum of its proper divisors (3356908520).

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

2071776280 is a wasteful number, since it uses less digits than its factorization.

2071776280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 2071776280 is about 45516.7692175093. The cubic root of 2071776280 is about 1274.8163323797.

The spelling of 2071776280 in words is "two billion, seventy-one million, seven hundred seventy-six thousand, two hundred eighty".