26297311312662 has 128 divisors (see below), whose sum is σ = 57783879928320. Its totient is φ = 7929148631040.

The previous prime is 26297311312627. The next prime is 26297311312669. The reversal of 26297311312662 is 26621311379262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26297311312669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2377904889 + ... + 2377915947.

It is an arithmetic number, because the mean of its divisors is an integer number (451436561940).

Almost surely, 2^{26297311312662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26297311312662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28891939964160).

26297311312662 is an abundant number, since it is smaller than the sum of its proper divisors (31486568615658).

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

26297311312662 is a wasteful number, since it uses less digits than its factorization.

26297311312662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958.

The product of its digits is 1959552, while the sum is 51.

The spelling of 26297311312662 in words is "twenty-six trillion, two hundred ninety-seven billion, three hundred eleven million, three hundred twelve thousand, six hundred sixty-two".