2589894840 has 64 divisors (see below), whose sum is σ = 8367357600. Its totient is φ = 637512192.

The previous prime is 2589894833. The next prime is 2589894863. The reversal of 2589894840 is 484989852.

2589894840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 828535 + ... + 831654.

Almost surely, 2^2589894840 is an apocalyptic number.

2589894840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2589894840 is an abundant number, since it is smaller than the sum of its proper divisors (5777462760).

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

2589894840 is a wasteful number, since it uses less digits than its factorization.

2589894840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660216 (or 1660212 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The square root of 2589894840 is about 50891.0094220973. The cubic root of 2589894840 is about 1373.2851066003.

The spelling of 2589894840 in words is "two billion, five hundred eighty-nine million, eight hundred ninety-four thousand, eight hundred forty".