260036640009 has 20 divisors (see below), whose sum is σ = 388487594880. Its totient is φ = 173340891000.

The previous prime is 260036639983. The next prime is 260036640011. The reversal of 260036640009 is 900046630062.

260036640009 is a `hidden beast` number, since 2 + 6 + 0 + 0 + 3 + 6 + 640 + 0 + 0 + 9 = 666.

It is not a de Polignac number, because 260036640009 - 2¹⁵ = 260036607241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260036640109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 710884 + ... + 1012634.

It is an arithmetic number, because the mean of its divisors is an integer number (19424379744).

Almost surely, 2^260036640009 is an apocalyptic number.

It is an amenable number.

260036640009 is a deficient number, since it is larger than the sum of its proper divisors (128450954871).

260036640009 is a wasteful number, since it uses less digits than its factorization.

260036640009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312402 (or 312393 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 260036640009 in words is "two hundred sixty billion, thirty-six million, six hundred forty thousand, nine".