2534631720 has 128 divisors (see below), whose sum is σ = 7957491840. Its totient is φ = 645166080.

The previous prime is 2534631713. The next prime is 2534631721. The reversal of 2534631720 is 271364352.

It is not an unprimeable number, because it can be changed into a prime (2534631721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229935 + ... + 240705.

It is an arithmetic number, because the mean of its divisors is an integer number (62167905).

Almost surely, 2^2534631720 is an apocalyptic number.

2534631720 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 2534631720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3978745920).

2534631720 is an abundant number, since it is smaller than the sum of its proper divisors (5422860120).

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

2534631720 is a wasteful number, since it uses less digits than its factorization.

2534631720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2534631720 is about 50345.1260798898. The cubic root of 2534631720 is about 1363.4470874423.

The spelling of 2534631720 in words is "two billion, five hundred thirty-four million, six hundred thirty-one thousand, seven hundred twenty".