2500439832 has 144 divisors (see below), whose sum is σ = 7881957720. Its totient is φ = 713095680.

The previous prime is 2500439797. The next prime is 2500439833. The reversal of 2500439832 is 2389340052.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500439833) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 139663 + ... + 156545.

Almost surely, 2^2500439832 is an apocalyptic number.

2500439832 is a gapful number since it is divisible by the number (22) 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 2500439832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3940978860).

2500439832 is an abundant number, since it is smaller than the sum of its proper divisors (5381517888).

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

2500439832 is a wasteful number, since it uses less digits than its factorization.

2500439832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16934 (or 16916 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2500439832 is about 50004.3981265648. The cubic root of 2500439832 is about 1357.2883961455.

Adding to 2500439832 its reverse (2389340052), we get a palindrome (4889779884).

The spelling of 2500439832 in words is "two billion, five hundred million, four hundred thirty-nine thousand, eight hundred thirty-two".