2281071040 has 28 divisors (see below), whose sum is σ = 5431801176. Its totient is φ = 912428288.

The previous prime is 2281071019. The next prime is 2281071073. The reversal of 2281071040 is 401701822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2281070996 and 2281071014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563854 + ... + 3564493.

Almost surely, 2^2281071040 is an apocalyptic number.

2281071040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281071040 is an abundant number, since it is smaller than the sum of its proper divisors (3150730136).

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

2281071040 is an equidigital number, since it uses as much as digits as its factorization.

2281071040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128364 (or 7128354 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 2281071040 is about 47760.5594607098. The cubic root of 2281071040 is about 1316.3749328194.

Adding to 2281071040 its reverse (401701822), we get a palindrome (2682772862).

The spelling of 2281071040 in words is "two billion, two hundred eighty-one million, seventy-one thousand, forty".