4040660047 has 2 divisors, whose sum is σ = 4040660048. Its totient is φ = 4040660046.

The previous prime is 4040659981. The next prime is 4040660093. The reversal of 4040660047 is 7400660404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4040660047 - 2³¹ = 1893176399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040660647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020330023 + 2020330024.

It is an arithmetic number, because the mean of its divisors is an integer number (2020330024).

Almost surely, 2^4040660047 is an apocalyptic number.

4040660047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040660047 is an equidigital number, since it uses as much as digits as its factorization.

4040660047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 4040660047 is about 63566.1863493477. The cubic root of 4040660047 is about 1592.7615796294.

The spelling of 4040660047 in words is "four billion, forty million, six hundred sixty thousand, forty-seven".