2641128860 has 48 divisors (see below), whose sum is σ = 5703112800. Its totient is φ = 1026964224.

The previous prime is 2641128851. The next prime is 2641128863. The reversal of 2641128860 is 688211462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641128863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104111 + ... + 126969.

It is an arithmetic number, because the mean of its divisors is an integer number (118814850).

Almost surely, 2^2641128860 is an apocalyptic number.

2641128860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2641128860 is an abundant number, since it is smaller than the sum of its proper divisors (3061983940).

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

2641128860 is a wasteful number, since it uses less digits than its factorization.

2641128860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23030 (or 23028 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 2641128860 is about 51391.9143445737. The cubic root of 2641128860 is about 1382.2816103645.

The spelling of 2641128860 in words is "two billion, six hundred forty-one million, one hundred twenty-eight thousand, eight hundred sixty".