26072973312 has 144 divisors (see below), whose sum is σ = 70732472832. Its totient is φ = 8540651520.

The previous prime is 26072973293. The next prime is 26072973319. The reversal of 26072973312 is 21337927062.

It is not an unprimeable number, because it can be changed into a prime (26072973319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23985633 + ... + 23986719.

It is an arithmetic number, because the mean of its divisors is an integer number (491197728).

Almost surely, 2^26072973312 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 26072973312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35366236416).

26072973312 is an abundant number, since it is smaller than the sum of its proper divisors (44659499520).

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

26072973312 is an frugal number, since it uses more digits than its factorization.

26072973312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 26072973312 in words is "twenty-six billion, seventy-two million, nine hundred seventy-three thousand, three hundred twelve".