26447230012 has 144 divisors (see below), whose sum is σ = 56628633600. Its totient is φ = 10763625600.

The previous prime is 26447229983. The next prime is 26447230013. The reversal of 26447230012 is 21003274462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26447230013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118597333 + ... + 118597555.

It is an arithmetic number, because the mean of its divisors is an integer number (393254400).

Almost surely, 2^26447230012 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 26447230012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28314316800).

26447230012 is an abundant number, since it is smaller than the sum of its proper divisors (30181403588).

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

26447230012 is a wasteful number, since it uses less digits than its factorization.

26447230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 26447230012 in words is "twenty-six billion, four hundred forty-seven million, two hundred thirty thousand, twelve".