26684740448 has 24 divisors (see below), whose sum is σ = 53816941080. Its totient is φ = 13016945920.

The previous prime is 26684740447. The next prime is 26684740463. The reversal of 26684740448 is 84404748662.

It is a self number, because there is not a number n which added to its sum of digits gives 26684740448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26684740447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10168178 + ... + 10170801.

It is an arithmetic number, because the mean of its divisors is an integer number (2242372545).

Almost surely, 2^26684740448 is an apocalyptic number.

It is an amenable number.

26684740448 is an abundant number, since it is smaller than the sum of its proper divisors (27132200632).

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

26684740448 is a wasteful number, since it uses less digits than its factorization.

26684740448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20339030 (or 20339022 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 53.

The spelling of 26684740448 in words is "twenty-six billion, six hundred eighty-four million, seven hundred forty thousand, four hundred forty-eight".