26554605012 has 144 divisors (see below), whose sum is σ = 77036843520. Its totient is φ = 7648971264.

The previous prime is 26554604971. The next prime is 26554605017. The reversal of 26554605012 is 21050645562.

26554605012 is a `hidden beast` number, since 2 + 65 + 546 + 0 + 50 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26554605017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479664 + ... + 532152.

It is an arithmetic number, because the mean of its divisors is an integer number (534978080).

Almost surely, 2^26554605012 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 26554605012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38518421760).

26554605012 is an abundant number, since it is smaller than the sum of its proper divisors (50482238508).

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

26554605012 is a wasteful number, since it uses less digits than its factorization.

26554605012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52582 (or 52577 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 26554605012 in words is "twenty-six billion, five hundred fifty-four million, six hundred five thousand, twelve".