26274720545 has 8 divisors (see below), whose sum is σ = 31560252480. Its totient is φ = 20999384560.

The previous prime is 26274720539. The next prime is 26274720547. The reversal of 26274720545 is 54502747262.

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

It is not a de Polignac number, because 26274720545 - 2¹⁰ = 26274719521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26274720496 and 26274720505.

It is not an unprimeable number, because it can be changed into a prime (26274720547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543315 + ... + 2553624.

It is an arithmetic number, because the mean of its divisors is an integer number (3945031560).

Almost surely, 2^26274720545 is an apocalyptic number.

It is an amenable number.

26274720545 is a deficient number, since it is larger than the sum of its proper divisors (5285531935).

26274720545 is a wasteful number, since it uses less digits than its factorization.

26274720545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097975.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 26274720545 in words is "twenty-six billion, two hundred seventy-four million, seven hundred twenty thousand, five hundred forty-five".