2064140212446 has 64 divisors (see below), whose sum is σ = 4940160321600. Its totient is φ = 635076661248.

The previous prime is 2064140212397. The next prime is 2064140212447. The reversal of 2064140212446 is 6442120414602.

2064140212446 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 1 + 402 + 1 + 244 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064140212446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064140212447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11061550 + ... + 11246606.

It is an arithmetic number, because the mean of its divisors is an integer number (77190005025).

Almost surely, 2^{2064140212446} is an apocalyptic number.

2064140212446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2064140212446 is an abundant number, since it is smaller than the sum of its proper divisors (2876020109154).

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

2064140212446 is a wasteful number, since it uses less digits than its factorization.

2064140212446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200970 (or 200964 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 2064140212446 in words is "two trillion, sixty-four billion, one hundred forty million, two hundred twelve thousand, four hundred forty-six".