26739774720 has 216 divisors, whose sum is σ = 93188004000. Its totient is φ = 7078883328.

The previous prime is 26739774701. The next prime is 26739774779. The reversal of 26739774720 is 2747793762.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1592931 + ... + 1609629.

Almost surely, 2^26739774720 is an apocalyptic number.

26739774720 is a gapful number since it is divisible by the number (20) 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 26739774720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46594002000).

26739774720 is an abundant number, since it is smaller than the sum of its proper divisors (66448229280).

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

26739774720 is a wasteful number, since it uses less digits than its factorization.

26739774720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865 (or 16848 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The spelling of 26739774720 in words is "twenty-six billion, seven hundred thirty-nine million, seven hundred seventy-four thousand, seven hundred twenty".