2590381836 has 96 divisors (see below), whose sum is σ = 7801167360. Its totient is φ = 727963200.

The previous prime is 2590381813. The next prime is 2590381847. The reversal of 2590381836 is 6381830952.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2590381791 and 2590381800.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18031 + ... + 74201.

It is an arithmetic number, because the mean of its divisors is an integer number (81262160).

Almost surely, 2^2590381836 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 2590381836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3900583680).

2590381836 is an abundant number, since it is smaller than the sum of its proper divisors (5210785524).

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

2590381836 is a wasteful number, since it uses less digits than its factorization.

2590381836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56252 (or 56244 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2590381836 is about 50895.7938930124. The cubic root of 2590381836 is about 1373.3711773330.

The spelling of 2590381836 in words is "two billion, five hundred ninety million, three hundred eighty-one thousand, eight hundred thirty-six".