2665630000 has 150 divisors (see below), whose sum is σ = 7097018852. Its totient is φ = 968880000.

The previous prime is 2665629997. The next prime is 2665630013. The reversal of 2665630000 is 365662.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1208899 + ... + 1211101.

Almost surely, 2^2665630000 is an apocalyptic number.

2665630000 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 2665630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3548509426).

2665630000 is an abundant number, since it is smaller than the sum of its proper divisors (4431388852).

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

2665630000 is a wasteful number, since it uses less digits than its factorization.

2665630000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2665630000 is about 51629.7394918859. The cubic root of 2665630000 is about 1386.5428292803.

Adding to 2665630000 its reverse (365662), we get a palindrome (2665995662).

The spelling of 2665630000 in words is "two billion, six hundred sixty-five million, six hundred thirty thousand".