26997704448 has 288 divisors, whose sum is σ = 84804088320. Its totient is φ = 7517061120.

The previous prime is 26997704443. The next prime is 26997704453. The reversal of 26997704448 is 84440779962.

It is an interprime number because it is at equal distance from previous prime (26997704443) and next prime (26997704453).

It is a junction number, because it is equal to n+sod(n) for n = 26997704391 and 26997704400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26997704443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32178013 + ... + 32178851.

It is an arithmetic number, because the mean of its divisors is an integer number (294458640).

Almost surely, 2^26997704448 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 26997704448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42402044160).

26997704448 is an abundant number, since it is smaller than the sum of its proper divisors (57806383872).

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

26997704448 is a wasteful number, since it uses less digits than its factorization.

26997704448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

It can be divided in two parts, 26997 and 704448, that added together give a triangular number (731445 = T₁₂₀₉).

The spelling of 26997704448 in words is "twenty-six billion, nine hundred ninety-seven million, seven hundred four thousand, four hundred forty-eight".