2664736812380 has 12 divisors (see below), whose sum is σ = 5595947306040. Its totient is φ = 1065894724944.

The previous prime is 2664736812373. The next prime is 2664736812407. The reversal of 2664736812380 is 832186374662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66618420290 + ... + 66618420329.

It is an arithmetic number, because the mean of its divisors is an integer number (466328942170).

Almost surely, 2^{2664736812380} is an apocalyptic number.

2664736812380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664736812380 is an abundant number, since it is smaller than the sum of its proper divisors (2931210493660).

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

2664736812380 is a wasteful number, since it uses less digits than its factorization.

2664736812380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133236840628 (or 133236840626 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 2664736812380 in words is "two trillion, six hundred sixty-four billion, seven hundred thirty-six million, eight hundred twelve thousand, three hundred eighty".