2646799946040 has 64 divisors (see below), whose sum is σ = 7949352130560. Its totient is φ = 705017559680.

The previous prime is 2646799946033. The next prime is 2646799946057. The reversal of 2646799946040 is 406499976462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12326856 + ... + 12539735.

It is an arithmetic number, because the mean of its divisors is an integer number (124208627040).

Almost surely, 2^{2646799946040} is an apocalyptic number.

2646799946040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2646799946040 is an abundant number, since it is smaller than the sum of its proper divisors (5302552184520).

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

2646799946040 is a wasteful number, since it uses less digits than its factorization.

2646799946040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24867492 (or 24867488 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 66.

The spelling of 2646799946040 in words is "two trillion, six hundred forty-six billion, seven hundred ninety-nine million, nine hundred forty-six thousand, forty".