26424221634 has 24 divisors (see below), whose sum is σ = 57370060800. Its totient is φ = 8789984568.

The previous prime is 26424221627. The next prime is 26424221689. The reversal of 26424221634 is 43612242462.

26424221634 is a `hidden beast` number, since 2 + 6 + 424 + 221 + 6 + 3 + 4 = 666.

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, 1498434 + ... + 1515965.

It is an arithmetic number, because the mean of its divisors is an integer number (2390419200).

Almost surely, 2^26424221634 is an apocalyptic number.

26424221634 is an abundant number, since it is smaller than the sum of its proper divisors (30945839166).

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

26424221634 is a wasteful number, since it uses less digits than its factorization.

26424221634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014894 (or 3014891 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The spelling of 26424221634 in words is "twenty-six billion, four hundred twenty-four million, two hundred twenty-one thousand, six hundred thirty-four".