2257105080 has 128 divisors (see below), whose sum is σ = 7020794880. Its totient is φ = 580032000.

The previous prime is 2257105073. The next prime is 2257105099. The reversal of 2257105080 is 805017522.

It is a Cunningham number, because it is equal to 47509²-1.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 472705 + ... + 477455.

It is an arithmetic number, because the mean of its divisors is an integer number (54849960).

Almost surely, 2^2257105080 is an apocalyptic number.

2257105080 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 2257105080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510397440).

2257105080 is an abundant number, since it is smaller than the sum of its proper divisors (4763689800).

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

2257105080 is a wasteful number, since it uses less digits than its factorization.

2257105080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909 (or 4905 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 2257105080 is about 47508.9999894757. Note that the first 4 decimals coincide. The cubic root of 2257105080 is about 1311.7485498064.

The spelling of 2257105080 in words is "two billion, two hundred fifty-seven million, one hundred five thousand, eighty".