26275378146 has 8 divisors (see below), whose sum is σ = 52550756304. Its totient is φ = 8758459380.

The previous prime is 26275378111. The next prime is 26275378169. The reversal of 26275378146 is 64187357262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

26275378146 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2189614840 + ... + 2189614851.

It is an arithmetic number, because the mean of its divisors is an integer number (6568844538).

Almost surely, 2^26275378146 is an apocalyptic number.

26275378146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26275378146 is a wasteful number, since it uses less digits than its factorization.

26275378146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379229696.

The product of its digits is 3386880, while the sum is 51.

The spelling of 26275378146 in words is "twenty-six billion, two hundred seventy-five million, three hundred seventy-eight thousand, one hundred forty-six".