2257262880 has 96 divisors (see below), whose sum is σ = 7133712768. Its totient is φ = 599961600.

The previous prime is 2257262869. The next prime is 2257262881. The reversal of 2257262880 is 882627522.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2257262881) 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 15 ways as a sum of consecutive naturals, for example, 141720 + ... + 156840.

It is an arithmetic number, because the mean of its divisors is an integer number (74309508).

Almost surely, 2^2257262880 is an apocalyptic number.

2257262880 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 2257262880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566856384).

2257262880 is an abundant number, since it is smaller than the sum of its proper divisors (4876449888).

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

2257262880 is a wasteful number, since it uses less digits than its factorization.

2257262880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15450 (or 15442 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2257262880 is about 47510.6606984159. The cubic root of 2257262880 is about 1311.7791183282.

The spelling of 2257262880 in words is "two billion, two hundred fifty-seven million, two hundred sixty-two thousand, eight hundred eighty".