2664544464432 has 50 divisors (see below), whose sum is σ = 7711964730668. Its totient is φ = 888181487712.

The previous prime is 2664544464419. The next prime is 2664544464433. The reversal of 2664544464432 is 2344644454662.

2664544464432 is a `hidden beast` number, since 2 + 6 + 6 + 4 + 544 + 4 + 64 + 4 + 32 = 666.

2664544464432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2664544464433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1027986538 + ... + 1027989129.

Almost surely, 2^{2664544464432} is an apocalyptic number.

It is an amenable number.

2664544464432 is an abundant number, since it is smaller than the sum of its proper divisors (5047420266236).

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

2664544464432 is a wasteful number, since it uses less digits than its factorization.

2664544464432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055975687 (or 2055975672 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 54.

The spelling of 2664544464432 in words is "two trillion, six hundred sixty-four billion, five hundred forty-four million, four hundred sixty-four thousand, four hundred thirty-two".