2589634740 has 144 divisors (see below), whose sum is σ = 9108844416. Its totient is φ = 538095360.

The previous prime is 2589634711. The next prime is 2589634741. The reversal of 2589634740 is 474369852.

It is a super-2 number, since 2×2589634740² = 13412416173229735200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2589634740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589634741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25342 + ... + 76298.

It is an arithmetic number, because the mean of its divisors is an integer number (63255864).

Almost surely, 2^2589634740 is an apocalyptic number.

2589634740 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 2589634740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4554422208).

2589634740 is an abundant number, since it is smaller than the sum of its proper divisors (6519209676).

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

2589634740 is a wasteful number, since it uses less digits than its factorization.

2589634740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50998 (or 50985 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2589634740 is about 50888.4538967338. The cubic root of 2589634740 is about 1373.2391326082.

The spelling of 2589634740 in words is "two billion, five hundred eighty-nine million, six hundred thirty-four thousand, seven hundred forty".