26194535136 has 1536 divisors, whose sum is σ = 112870195200. Its totient is φ = 5693276160.

The previous prime is 26194535131. The next prime is 26194535179. The reversal of 26194535136 is 63153549162.

26194535136 is a `hidden beast` number, since 2 + 61 + 9 + 453 + 5 + 136 = 666.

It is a super-2 number, since 2×26194535136² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (583200) is a multiple of the sum of its prime divisors (135).

It is a junction number, because it is equal to n+sod(n) for n = 26194535091 and 26194535100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26194535131) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 494236486 + ... + 494236538.

It is an arithmetic number, because the mean of its divisors is an integer number (73483200).

Almost surely, 2^26194535136 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 26194535136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56435097600).

26194535136 is an abundant number, since it is smaller than the sum of its proper divisors (86675660064).

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

26194535136 is a wasteful number, since it uses less digits than its factorization.

26194535136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 135 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The spelling of 26194535136 in words is "twenty-six billion, one hundred ninety-four million, five hundred thirty-five thousand, one hundred thirty-six".