4040051447 has 2 divisors, whose sum is σ = 4040051448. Its totient is φ = 4040051446.

The previous prime is 4040051429. The next prime is 4040051489. The reversal of 4040051447 is 7441500404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4040051447 - 2²² = 4035857143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040011447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020025723 + 2020025724.

It is an arithmetic number, because the mean of its divisors is an integer number (2020025724).

Almost surely, 2^4040051447 is an apocalyptic number.

4040051447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040051447 is an equidigital number, since it uses as much as digits as its factorization.

4040051447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 4040051447 is about 63561.3990327463. The cubic root of 4040051447 is about 1592.6816089185.

The spelling of 4040051447 in words is "four billion, forty million, fifty-one thousand, four hundred forty-seven".