2595995648 has 90 divisors (see below), whose sum is σ = 5483622984. Its totient is φ = 1226604544.

The previous prime is 2595995641. The next prime is 2595995653. The reversal of 2595995648 is 8465995952.

Its product of digits (34992000) is a multiple of the sum of its prime divisors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2595995641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31277015 + ... + 31277097.

Almost surely, 2^2595995648 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 2595995648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741811492).

2595995648 is an abundant number, since it is smaller than the sum of its proper divisors (2887627336).

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

2595995648 is an frugal number, since it uses more digits than its factorization.

2595995648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 108 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 62.

The square root of 2595995648 is about 50950.9141036743. The cubic root of 2595995648 is about 1374.3625736146.

The spelling of 2595995648 in words is "two billion, five hundred ninety-five million, nine hundred ninety-five thousand, six hundred forty-eight".