2664040143456 has 72 divisors (see below), whose sum is σ = 7576021986624. Its totient is φ = 887994881280.

The previous prime is 2664040143421. The next prime is 2664040143509. The reversal of 2664040143456 is 6543410404662.

2664040143456 is a `hidden beast` number, since 2 + 66 + 404 + 0 + 143 + 45 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26020686 + ... + 26122866.

It is an arithmetic number, because the mean of its divisors is an integer number (105222527592).

Almost surely, 2^{2664040143456} is an apocalyptic number.

It is an amenable number.

2664040143456 is an abundant number, since it is smaller than the sum of its proper divisors (4911981843168).

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

2664040143456 is a wasteful number, since it uses less digits than its factorization.

2664040143456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192724 (or 192713 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 2664040143456 in words is "two trillion, six hundred sixty-four billion, forty million, one hundred forty-three thousand, four hundred fifty-six".