40447201 has 2 divisors, whose sum is σ = 40447202. Its totient is φ = 40447200.

The previous prime is 40447189. The next prime is 40447247. The reversal of 40447201 is 10274404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37638225 + 2808976 = 6135^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 40447201 - 2⁷ = 40447073 is a prime.

It is not a weakly prime, because it can be changed into another prime (40447261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20223600 + 20223601.

It is an arithmetic number, because the mean of its divisors is an integer number (20223601).

Almost surely, 2^40447201 is an apocalyptic number.

It is an amenable number.

40447201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40447201 is an equidigital number, since it uses as much as digits as its factorization.

40447201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40447201 is about 6359.8113965746. The cubic root of 40447201 is about 343.2649738746.

The spelling of 40447201 in words is "forty million, four hundred forty-seven thousand, two hundred one".