2539734288 has 120 divisors (see below), whose sum is σ = 8219348928. Its totient is φ = 669811968.

The previous prime is 2539734287. The next prime is 2539734311. The reversal of 2539734288 is 8824379352.

It is a self number, because there is not a number n which added to its sum of digits gives 2539734288.

It is not an unprimeable number, because it can be changed into a prime (2539734287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10956 + ... + 72107.

Almost surely, 2^2539734288 is an apocalyptic number.

2539734288 is a gapful number since it is divisible by the number (28) 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 2539734288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4109674464).

2539734288 is an abundant number, since it is smaller than the sum of its proper divisors (5679614640).

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

2539734288 is a wasteful number, since it uses less digits than its factorization.

2539734288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83101 (or 83088 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 2539734288 is about 50395.7764897020. The cubic root of 2539734288 is about 1364.3614106964.

It can be divided in two parts, 25397 and 34288, that added together give a triangular number (59685 = T₃₄₅).

The spelling of 2539734288 in words is "two billion, five hundred thirty-nine million, seven hundred thirty-four thousand, two hundred eighty-eight".