2599240920 has 128 divisors (see below), whose sum is σ = 8098453440. Its totient is φ = 666869760.

The previous prime is 2599240871. The next prime is 2599240933. The reversal of 2599240920 is 290429952.

2599240920 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 31 ways as a sum of consecutive naturals, for example, 355542 + ... + 362778.

Almost surely, 2^2599240920 is an apocalyptic number.

2599240920 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 2599240920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4049226720).

2599240920 is an abundant number, since it is smaller than the sum of its proper divisors (5499212520).

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

2599240920 is a wasteful number, since it uses less digits than its factorization.

2599240920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365 (or 7361 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2599240920 is about 50982.7512007738. The cubic root of 2599240920 is about 1374.9350351676.

The spelling of 2599240920 in words is "two billion, five hundred ninety-nine million, two hundred forty thousand, nine hundred twenty".