2664464060220 has 96 divisors (see below), whose sum is σ = 7585543365120. Its totient is φ = 698667621120.

The previous prime is 2664464060213. The next prime is 2664464060233. The reversal of 2664464060220 is 220604644662.

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, 789394 + ... + 2439686.

It is an arithmetic number, because the mean of its divisors is an integer number (79016076720).

Almost surely, 2^{2664464060220} is an apocalyptic number.

2664464060220 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 2664464060220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792771682560).

2664464060220 is an abundant number, since it is smaller than the sum of its proper divisors (4921079304900).

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

2664464060220 is a wasteful number, since it uses less digits than its factorization.

2664464060220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650755 (or 1650753 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 2664464060220 in words is "two trillion, six hundred sixty-four billion, four hundred sixty-four million, sixty thousand, two hundred twenty".