40906001 has 2 divisors, whose sum is σ = 40906002. Its totient is φ = 40906000.

The previous prime is 40905989. The next prime is 40906039. The reversal of 40906001 is 10060904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40704400 + 201601 = 6380^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 40906001 - 2¹⁰ = 40904977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40905001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20453000 + 20453001.

It is an arithmetic number, because the mean of its divisors is an integer number (20453001).

Almost surely, 2^40906001 is an apocalyptic number.

It is an amenable number.

40906001 is a deficient number, since it is larger than the sum of its proper divisors (1).

40906001 is an equidigital number, since it uses as much as digits as its factorization.

40906001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40906001 is about 6395.7799368021. The cubic root of 40906001 is about 344.5580029049.

Adding to 40906001 its reverse (10060904), we get a palindrome (50966905).

The spelling of 40906001 in words is "forty million, nine hundred six thousand, one".