26885151072 has 384 divisors, whose sum is σ = 87720192000. Its totient is φ = 7957647360.

The previous prime is 26885151071. The next prime is 26885151121. The reversal of 26885151072 is 27015158862.

26885151072 is a `hidden beast` number, since 2 + 6 + 88 + 51 + 510 + 7 + 2 = 666.

It is a super-2 number, since 2×26885151072² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26885151071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36380079 + ... + 36380817.

It is an arithmetic number, because the mean of its divisors is an integer number (228438000).

Almost surely, 2^26885151072 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 26885151072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43860096000).

26885151072 is an abundant number, since it is smaller than the sum of its proper divisors (60835040928).

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

26885151072 is a wasteful number, since it uses less digits than its factorization.

26885151072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 26885151072 in words is "twenty-six billion, eight hundred eighty-five million, one hundred fifty-one thousand, seventy-two".