26143795720 has 64 divisors (see below), whose sum is σ = 67672224000. Its totient is φ = 8904211200.

The previous prime is 26143795709. The next prime is 26143795721. The reversal of 26143795720 is 2759734162.

It is not an unprimeable number, because it can be changed into a prime (26143795721) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 266895 + ... + 351454.

It is an arithmetic number, because the mean of its divisors is an integer number (1057378500).

Almost surely, 2^26143795720 is an apocalyptic number.

26143795720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26143795720 is an abundant number, since it is smaller than the sum of its proper divisors (41528428280).

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

26143795720 is a wasteful number, since it uses less digits than its factorization.

26143795720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618518 (or 618514 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 26143795720 in words is "twenty-six billion, one hundred forty-three million, seven hundred ninety-five thousand, seven hundred twenty".