2665492480 has 104 divisors (see below), whose sum is σ = 7310565792. Its totient is φ = 913833984.

The previous prime is 2665492447. The next prime is 2665492537. The reversal of 2665492480 is 842945662.

It is a self number, because there is not a number n which added to its sum of digits gives 2665492480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134064 + ... + 152656.

Almost surely, 2^2665492480 is an apocalyptic number.

2665492480 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 2665492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655282896).

2665492480 is an abundant number, since it is smaller than the sum of its proper divisors (4645073312).

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

2665492480 is an equidigital number, since it uses as much as digits as its factorization.

2665492480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18629 (or 18607 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 2665492480 is about 51628.4076841423. The cubic root of 2665492480 is about 1386.5189849297.

The spelling of 2665492480 in words is "two billion, six hundred sixty-five million, four hundred ninety-two thousand, four hundred eighty".