26456215475 has 48 divisors (see below), whose sum is σ = 33960326400. Its totient is φ = 20433168000.

The previous prime is 26456215397. The next prime is 26456215493. The reversal of 26456215475 is 57451265462.

It is not a de Polignac number, because 26456215475 - 2²⁸ = 26187780019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56651192 + ... + 56651658.

It is an arithmetic number, because the mean of its divisors is an integer number (707506800).

Almost surely, 2^26456215475 is an apocalyptic number.

26456215475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26456215475 is a deficient number, since it is larger than the sum of its proper divisors (7504110925).

26456215475 is a wasteful number, since it uses less digits than its factorization.

26456215475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1015 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 47.

The spelling of 26456215475 in words is "twenty-six billion, four hundred fifty-six million, two hundred fifteen thousand, four hundred seventy-five".