2665494480 has 240 divisors, whose sum is σ = 9143164800. Its totient is φ = 641879040.

The previous prime is 2665494473. The next prime is 2665494521. The reversal of 2665494480 is 844945662.

2665494480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7637346 + ... + 7637694.

It is an arithmetic number, because the mean of its divisors is an integer number (38096520).

Almost surely, 2^2665494480 is an apocalyptic number.

2665494480 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 2665494480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4571582400).

2665494480 is an abundant number, since it is smaller than the sum of its proper divisors (6477670320).

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

2665494480 is a wasteful number, since it uses less digits than its factorization.

2665494480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 2665494480 is about 51628.4270533202. The cubic root of 2665494480 is about 1386.5193317121.

The spelling of 2665494480 in words is "two billion, six hundred sixty-five million, four hundred ninety-four thousand, four hundred eighty".