2664464880 has 320 divisors, whose sum is σ = 10632462336. Its totient is φ = 535680000.

The previous prime is 2664464861. The next prime is 2664464899. The reversal of 2664464880 is 884644662.

It is an interprime number because it is at equal distance from previous prime (2664464861) and next prime (2664464899).

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 63 ways as a sum of consecutive naturals, for example, 570555 + ... + 575205.

Almost surely, 2^2664464880 is an apocalyptic number.

2664464880 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 2664464880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5316231168).

2664464880 is an abundant number, since it is smaller than the sum of its proper divisors (7967997456).

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

2664464880 is a wasteful number, since it uses less digits than its factorization.

2664464880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4710 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The square root of 2664464880 is about 51618.4548393305. The cubic root of 2664464880 is about 1386.3407852095.

The spelling of 2664464880 in words is "two billion, six hundred sixty-four million, four hundred sixty-four thousand, eight hundred eighty".