26493052146 has 32 divisors (see below), whose sum is σ = 57814732800. Its totient is φ = 8026571280.

The previous prime is 26493052141. The next prime is 26493052171. The reversal of 26493052146 is 64125039462.

It is a junction number, because it is equal to n+sod(n) for n = 26493052098 and 26493052107.

It is not an unprimeable number, because it can be changed into a prime (26493052141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 310395 + ... + 386433.

It is an arithmetic number, because the mean of its divisors is an integer number (1806710400).

Almost surely, 2^26493052146 is an apocalyptic number.

26493052146 is an abundant number, since it is smaller than the sum of its proper divisors (31321680654).

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

26493052146 is a wasteful number, since it uses less digits than its factorization.

26493052146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81334.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 26493052146 in words is "twenty-six billion, four hundred ninety-three million, fifty-two thousand, one hundred forty-six".