26244446646 has 32 divisors (see below), whose sum is σ = 57299332608. Its totient is φ = 7947484640.

The previous prime is 26244446639. The next prime is 26244446681. The reversal of 26244446646 is 64664444262.

It is a junction number, because it is equal to n+sod(n) for n = 26244446595 and 26244446604.

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, 35565 + ... + 231848.

It is an arithmetic number, because the mean of its divisors is an integer number (1790604144).

Almost surely, 2^26244446646 is an apocalyptic number.

26244446646 is an abundant number, since it is smaller than the sum of its proper divisors (31054885962).

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

26244446646 is a wasteful number, since it uses less digits than its factorization.

26244446646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268916.

The product of its digits is 5308416, while the sum is 48.

The spelling of 26244446646 in words is "twenty-six billion, two hundred forty-four million, four hundred forty-six thousand, six hundred forty-six".