2665454364 has 96 divisors (see below), whose sum is σ = 7081966080. Its totient is φ = 877541040.

The previous prime is 2665454347. The next prime is 2665454377. The reversal of 2665454364 is 4634545662.

It is a happy number.

2665454364 is a `hidden beast` number, since 2 + 6 + 6 + 545 + 43 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724249 + ... + 727919.

It is an arithmetic number, because the mean of its divisors is an integer number (73770480).

Almost surely, 2^2665454364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665454364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3540983040).

2665454364 is an abundant number, since it is smaller than the sum of its proper divisors (4416511716).

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

2665454364 is an equidigital number, since it uses as much as digits as its factorization.

2665454364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3759 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 2665454364 is about 51628.0385449612. The cubic root of 2665454364 is about 1386.5123759185.

It can be divided in two parts, 26654 and 54364, that added together give a palindrome (81018).

The spelling of 2665454364 in words is "two billion, six hundred sixty-five million, four hundred fifty-four thousand, three hundred sixty-four".