2641227528 has 64 divisors (see below), whose sum is σ = 6974668800. Its totient is φ = 832184640.

The previous prime is 2641227481. The next prime is 2641227553. The reversal of 2641227528 is 8257221462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9288 + ... + 73271.

It is an arithmetic number, because the mean of its divisors is an integer number (108979200).

Almost surely, 2^2641227528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2641227528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3487334400).

2641227528 is an abundant number, since it is smaller than the sum of its proper divisors (4333441272).

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

2641227528 is a wasteful number, since it uses less digits than its factorization.

2641227528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82642 (or 82638 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 2641227528 is about 51392.8742920650. The cubic root of 2641227528 is about 1382.2988233658.

The spelling of 2641227528 in words is "two billion, six hundred forty-one million, two hundred twenty-seven thousand, five hundred twenty-eight".