26215302120 has 64 divisors (see below), whose sum is σ = 89881038720. Its totient is φ = 5992068864.

The previous prime is 26215302109. The next prime is 26215302121. The reversal of 26215302120 is 2120351262.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (26215302121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15603507 + ... + 15605186.

It is an arithmetic number, because the mean of its divisors is an integer number (1404391230).

Almost surely, 2^26215302120 is an apocalyptic number.

26215302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26215302120 is an abundant number, since it is smaller than the sum of its proper divisors (63665736600).

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

26215302120 is a wasteful number, since it uses less digits than its factorization.

26215302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31208714 (or 31208710 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 26215302120 its reverse (2120351262), we get a palindrome (28335653382).

The spelling of 26215302120 in words is "twenty-six billion, two hundred fifteen million, three hundred two thousand, one hundred twenty".