26725228236 has 96 divisors (see below), whose sum is σ = 79809658880. Its totient is φ = 7575628032.

The previous prime is 26725228223. The next prime is 26725228253. The reversal of 26725228236 is 63282252762.

It is a happy number.

26725228236 is a `hidden beast` number, since 26 + 72 + 522 + 8 + 2 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26725228191 and 26725228200.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 43165 + ... + 235188.

Almost surely, 2^26725228236 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 26725228236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39904829440).

26725228236 is an abundant number, since it is smaller than the sum of its proper divisors (53084430644).

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

26725228236 is a wasteful number, since it uses less digits than its factorization.

26725228236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278500 (or 278492 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 26725228236 in words is "twenty-six billion, seven hundred twenty-five million, two hundred twenty-eight thousand, two hundred thirty-six".