26642880485136 has 120 divisors (see below), whose sum is σ = 76406990639616. Its totient is φ = 8661479431680.

The previous prime is 26642880485119. The next prime is 26642880485153. The reversal of 26642880485136 is 63158408824662.

26642880485136 is a `hidden beast` number, since 2 + 6 + 6 + 42 + 8 + 80 + 485 + 1 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (26642880485119) and next prime (26642880485153).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17101401 + ... + 18594183.

Almost surely, 2^{26642880485136} 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 26642880485136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38203495319808).

26642880485136 is an abundant number, since it is smaller than the sum of its proper divisors (49764110154480).

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

26642880485136 is a wasteful number, since it uses less digits than its factorization.

26642880485136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495861 (or 1495852 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 63.

The spelling of 26642880485136 in words is "twenty-six trillion, six hundred forty-two billion, eight hundred eighty million, four hundred eighty-five thousand, one hundred thirty-six".