2581827696 has 100 divisors (see below), whose sum is σ = 8540096752. Its totient is φ = 737662464.

The previous prime is 2581827659. The next prime is 2581827697. The reversal of 2581827696 is 6967281852.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581827697) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133225 + ... + 151368.

Almost surely, 2^2581827696 is an apocalyptic number.

It is an amenable number.

2581827696 is an abundant number, since it is smaller than the sum of its proper divisors (5958269056).

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

2581827696 is a wasteful number, since it uses less digits than its factorization.

2581827696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284620 (or 284605 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 2581827696 is about 50811.6885765470. The cubic root of 2581827696 is about 1371.8577627679.

The spelling of 2581827696 in words is "two billion, five hundred eighty-one million, eight hundred twenty-seven thousand, six hundred ninety-six".