2291710140 has 36 divisors (see below), whose sum is σ = 6951521304. Its totient is φ = 611122656.

The previous prime is 2291710111. The next prime is 2291710151. The reversal of 2291710140 is 410171922.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6365682 + ... + 6366041.

It is an arithmetic number, because the mean of its divisors is an integer number (193097814).

Almost surely, 2^2291710140 is an apocalyptic number.

2291710140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2291710140 is an abundant number, since it is smaller than the sum of its proper divisors (4659811164).

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

2291710140 is a wasteful number, since it uses less digits than its factorization.

2291710140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731738 (or 12731733 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2291710140 is about 47871.8094498213. The cubic root of 2291710140 is about 1318.4183190172.

The spelling of 2291710140 in words is "two billion, two hundred ninety-one million, seven hundred ten thousand, one hundred forty".