26734134028668 has 96 divisors (see below), whose sum is σ = 68833961844480. Its totient is φ = 8008036016640.

The previous prime is 26734134028549. The next prime is 26734134028681. The reversal of 26734134028668 is 86682043143762.

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, 42887955 + ... + 43506837.

It is an arithmetic number, because the mean of its divisors is an integer number (717020435880).

Almost surely, 2^{26734134028668} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26734134028668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34416980922240).

26734134028668 is an abundant number, since it is smaller than the sum of its proper divisors (42099827815812).

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

26734134028668 is a wasteful number, since it uses less digits than its factorization.

26734134028668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622667 (or 622665 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 60.

The spelling of 26734134028668 in words is "twenty-six trillion, seven hundred thirty-four billion, one hundred thirty-four million, twenty-eight thousand, six hundred sixty-eight".