26420066464 has 24 divisors (see below), whose sum is σ = 56743098048. Its totient is φ = 12009120960.

The previous prime is 26420066437. The next prime is 26420066471. The reversal of 26420066464 is 46466002462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37528152 + ... + 37528855.

It is an arithmetic number, because the mean of its divisors is an integer number (2364295752).

Almost surely, 2^26420066464 is an apocalyptic number.

It is an amenable number.

26420066464 is an abundant number, since it is smaller than the sum of its proper divisors (30323031584).

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

26420066464 is a wasteful number, since it uses less digits than its factorization.

26420066464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75057028 (or 75057020 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 26420066464 in words is "twenty-six billion, four hundred twenty million, sixty-six thousand, four hundred sixty-four".