2647640441 has 8 divisors (see below), whose sum is σ = 2703392640. Its totient is φ = 2592466272.

The previous prime is 2647640417. The next prime is 2647640473. The reversal of 2647640441 is 1440467462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2647640441 - 2¹⁸ = 2647378297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2647640395 and 2647640404.

It is not an unprimeable number, because it can be changed into a prime (2647640041) 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, 135245 + ... + 153578.

It is an arithmetic number, because the mean of its divisors is an integer number (337924080).

Almost surely, 2^2647640441 is an apocalyptic number.

It is an amenable number.

2647640441 is a deficient number, since it is larger than the sum of its proper divisors (55752199).

2647640441 is a wasteful number, since it uses less digits than its factorization.

2647640441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289015.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 2647640441 is about 51455.2275381229. The cubic root of 2647640441 is about 1383.4166618535.

The spelling of 2647640441 in words is "two billion, six hundred forty-seven million, six hundred forty thousand, four hundred forty-one".