26401250275 has 6 divisors (see below), whose sum is σ = 32737550372. Its totient is φ = 21121000200.

The previous prime is 26401250219. The next prime is 26401250341. The reversal of 26401250275 is 57205210462.

It is not a de Polignac number, because 26401250275 - 2⁷ = 26401250147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26401250275.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528024981 + ... + 528025030.

Almost surely, 2^26401250275 is an apocalyptic number.

26401250275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26401250275 is a deficient number, since it is larger than the sum of its proper divisors (6336300097).

26401250275 is a wasteful number, since it uses less digits than its factorization.

26401250275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056050021 (or 1056050016 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

It can be divided in two parts, 26401 and 250275, that added together give a square (276676 = 526²).

The spelling of 26401250275 in words is "twenty-six billion, four hundred one million, two hundred fifty thousand, two hundred seventy-five".