2641126620 has 96 divisors (see below), whose sum is σ = 8158268160. Its totient is φ = 633064960.

The previous prime is 2641126603. The next prime is 2641126651. The reversal of 2641126620 is 266211462.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36259 + ... + 81221.

It is an arithmetic number, because the mean of its divisors is an integer number (84981960).

Almost surely, 2^2641126620 is an apocalyptic number.

2641126620 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 2641126620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4079134080).

2641126620 is an abundant number, since it is smaller than the sum of its proper divisors (5517141540).

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

2641126620 is a wasteful number, since it uses less digits than its factorization.

2641126620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45075 (or 45073 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2641126620 is about 51391.8925512575. The cubic root of 2641126620 is about 1382.2812195832.

The spelling of 2641126620 in words is "two billion, six hundred forty-one million, one hundred twenty-six thousand, six hundred twenty".