2584989940 has 24 divisors (see below), whose sum is σ = 5846054760. Its totient is φ = 954457728.

The previous prime is 2584989937. The next prime is 2584989971. The reversal of 2584989940 is 499894852.

It can be written as a sum of positive squares in 4 ways, for example, as 95179536 + 2489810404 = 9756^2 + 49898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4970875 + ... + 4971394.

It is an arithmetic number, because the mean of its divisors is an integer number (243585615).

Almost surely, 2^2584989940 is an apocalyptic number.

2584989940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2584989940 is an abundant number, since it is smaller than the sum of its proper divisors (3261064820).

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

2584989940 is a wasteful number, since it uses less digits than its factorization.

2584989940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942291 (or 9942289 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The square root of 2584989940 is about 50842.7963432382. The cubic root of 2584989940 is about 1372.4176218497.

The spelling of 2584989940 in words is "two billion, five hundred eighty-four million, nine hundred eighty-nine thousand, nine hundred forty".