26150309868 has 24 divisors (see below), whose sum is σ = 61249402368. Its totient is φ = 8683625296.

The previous prime is 26150309851. The next prime is 26150309947. The reversal of 26150309868 is 86890305162.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139796 + ... + 4146107.

It is an arithmetic number, because the mean of its divisors is an integer number (2552058432).

Almost surely, 2^26150309868 is an apocalyptic number.

It is an amenable number.

26150309868 is an abundant number, since it is smaller than the sum of its proper divisors (35099092500).

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

26150309868 is a wasteful number, since it uses less digits than its factorization.

26150309868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286173 (or 8286171 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 26150309868 in words is "twenty-six billion, one hundred fifty million, three hundred nine thousand, eight hundred sixty-eight".