26206926624 has 120 divisors (see below), whose sum is σ = 77213184048. Its totient is φ = 8719850880.

The previous prime is 26206926563. The next prime is 26206926677. The reversal of 26206926624 is 42662960262.

It is a self number, because there is not a number n which added to its sum of digits gives 26206926624.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1471179 + ... + 1488885.

Almost surely, 2^26206926624 is an apocalyptic number.

26206926624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26206926624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38606592024).

26206926624 is an abundant number, since it is smaller than the sum of its proper divisors (51006257424).

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

26206926624 is a wasteful number, since it uses less digits than its factorization.

26206926624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18300 (or 18283 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 26206926624 in words is "twenty-six billion, two hundred six million, nine hundred twenty-six thousand, six hundred twenty-four".