26248644960 has 48 divisors (see below), whose sum is σ = 82683233136. Its totient is φ = 6999638528.

The previous prime is 26248644953. The next prime is 26248644979. The reversal of 26248644960 is 6944684262.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×26248644960² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 27341859 + ... + 27342818.

It is an arithmetic number, because the mean of its divisors is an integer number (1722567357).

Almost surely, 2^26248644960 is an apocalyptic number.

26248644960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26248644960 is an abundant number, since it is smaller than the sum of its proper divisors (56434588176).

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

26248644960 is a wasteful number, since it uses less digits than its factorization.

26248644960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54684695 (or 54684687 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 26248644960 in words is "twenty-six billion, two hundred forty-eight million, six hundred forty-four thousand, nine hundred sixty".