2646081726450 has 24 divisors (see below), whose sum is σ = 6562282681968. Its totient is φ = 705621793680.

The previous prime is 2646081726443. The next prime is 2646081726467. The reversal of 2646081726450 is 546271806462.

2646081726450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2646081726450² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2646081726393 and 2646081726402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8820272272 + ... + 8820272571.

It is an arithmetic number, because the mean of its divisors is an integer number (273428445082).

Almost surely, 2^{2646081726450} is an apocalyptic number.

2646081726450 is an abundant number, since it is smaller than the sum of its proper divisors (3916200955518).

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

2646081726450 is a wasteful number, since it uses less digits than its factorization.

2646081726450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640544858 (or 17640544853 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 2646081726450 in words is "two trillion, six hundred forty-six billion, eighty-one million, seven hundred twenty-six thousand, four hundred fifty".