26288960064 has 56 divisors (see below), whose sum is σ = 69577720128. Its totient is φ = 8760276480.

The previous prime is 26288960011. The next prime is 26288960069. The reversal of 26288960064 is 46006988262.

It is a super-2 number, since 2×26288960064² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26288959989 and 26288960016.

It is not an unprimeable number, because it can be changed into a prime (26288960069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657774 + ... + 696594.

It is an arithmetic number, because the mean of its divisors is an integer number (1242459288).

Almost surely, 2^26288960064 is an apocalyptic number.

26288960064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26288960064 is an abundant number, since it is smaller than the sum of its proper divisors (43288760064).

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

26288960064 is a wasteful number, since it uses less digits than its factorization.

26288960064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42363 (or 42353 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 26288960064 in words is "twenty-six billion, two hundred eighty-eight million, nine hundred sixty thousand, sixty-four".