26647401545 has 16 divisors (see below), whose sum is σ = 32116101888. Its totient is φ = 21225214080.

The previous prime is 26647401541. The next prime is 26647401551. The reversal of 26647401545 is 54510474662.

It is not a de Polignac number, because 26647401545 - 2² = 26647401541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26647401496 and 26647401505.

It is not an unprimeable number, because it can be changed into a prime (26647401541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361557 + ... + 2372813.

It is an arithmetic number, because the mean of its divisors is an integer number (2007256368).

Almost surely, 2^26647401545 is an apocalyptic number.

It is an amenable number.

26647401545 is a deficient number, since it is larger than the sum of its proper divisors (5468700343).

26647401545 is a wasteful number, since it uses less digits than its factorization.

26647401545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 26647401545 in words is "twenty-six billion, six hundred forty-seven million, four hundred one thousand, five hundred forty-five".