26663035212 has 144 divisors (see below), whose sum is σ = 79749974304. Its totient is φ = 7418880000.

The previous prime is 26663035211. The next prime is 26663035249. The reversal of 26663035212 is 21253036662.

It is a super-3 number, since 3×26663035212³ (a number of 32 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (26663035211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227712 + ... + 324312.

It is an arithmetic number, because the mean of its divisors is an integer number (553819266).

Almost surely, 2^26663035212 is an apocalyptic number.

26663035212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26663035212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39874987152).

26663035212 is an abundant number, since it is smaller than the sum of its proper divisors (53086939092).

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

26663035212 is a wasteful number, since it uses less digits than its factorization.

26663035212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96680 (or 96675 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 26663035212 in words is "twenty-six billion, six hundred sixty-three million, thirty-five thousand, two hundred twelve".