2664465407744 has 216 divisors, whose sum is σ = 6534991507968. Its totient is φ = 1079371560960.

The previous prime is 2664465407693. The next prime is 2664465407767. The reversal of 2664465407744 is 4477045644662.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16641479 + ... + 16800825.

Almost surely, 2^{2664465407744} 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 2664465407744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267495753984).

2664465407744 is an abundant number, since it is smaller than the sum of its proper divisors (3870526100224).

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

2664465407744 is a wasteful number, since it uses less digits than its factorization.

2664465407744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159451 (or 159430 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 59.

The spelling of 2664465407744 in words is "two trillion, six hundred sixty-four billion, four hundred sixty-five million, four hundred seven thousand, seven hundred forty-four".