2665444704 has 48 divisors (see below), whose sum is σ = 7535010672. Its totient is φ = 820136448.

The previous prime is 2665444699. The next prime is 2665444709. The reversal of 2665444704 is 4074445662.

It is an interprime number because it is at equal distance from previous prime (2665444699) and next prime (2665444709).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665444709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066639 + ... + 1069134.

It is an arithmetic number, because the mean of its divisors is an integer number (156979389).

Almost surely, 2^2665444704 is an apocalyptic number.

2665444704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2665444704 is an abundant number, since it is smaller than the sum of its proper divisors (4869565968).

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

2665444704 is a wasteful number, since it uses less digits than its factorization.

2665444704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135799 (or 2135791 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The square root of 2665444704 is about 51627.9449910608. The cubic root of 2665444704 is about 1386.5107009413.

The spelling of 2665444704 in words is "two billion, six hundred sixty-five million, four hundred forty-four thousand, seven hundred four".