26670709488 has 240 divisors, whose sum is σ = 78718533120. Its totient is φ = 7754637312.

The previous prime is 26670709487. The next prime is 26670709493. The reversal of 26670709488 is 88490707662.

It is a super-2 number, since 2×26670709488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26670709487) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12386620 + ... + 12388772.

It is an arithmetic number, because the mean of its divisors is an integer number (327993888).

Almost surely, 2^26670709488 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 26670709488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39359266560).

26670709488 is an abundant number, since it is smaller than the sum of its proper divisors (52047823632).

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

26670709488 is a wasteful number, since it uses less digits than its factorization.

26670709488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 26670709488 in words is "twenty-six billion, six hundred seventy million, seven hundred nine thousand, four hundred eighty-eight".