26662862286 has 64 divisors (see below), whose sum is σ = 62197632000. Its totient is φ = 8450231328.

The previous prime is 26662862273. The next prime is 26662862327. The reversal of 26662862286 is 68226826662.

It is a super-2 number, since 2×26662862286² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143140 + ... + 271688.

It is an arithmetic number, because the mean of its divisors is an integer number (971838000).

Almost surely, 2^26662862286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26662862286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31098816000).

26662862286 is an abundant number, since it is smaller than the sum of its proper divisors (35534769714).

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

26662862286 is a wasteful number, since it uses less digits than its factorization.

26662862286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128750 (or 128744 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 26662862286 in words is "twenty-six billion, six hundred sixty-two million, eight hundred sixty-two thousand, two hundred eighty-six".