40900897 has 2 divisors, whose sum is σ = 40900898. Its totient is φ = 40900896.

The previous prime is 40900891. The next prime is 40900913. The reversal of 40900897 is 79800904.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 18584721 = 4724^2 + 4311^2 .

It is a cyclic number.

It is not a de Polignac number, because 40900897 - 2¹⁵ = 40868129 is a prime.

It is not a weakly prime, because it can be changed into another prime (40900891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20450448 + 20450449.

It is an arithmetic number, because the mean of its divisors is an integer number (20450449).

Almost surely, 2^40900897 is an apocalyptic number.

It is an amenable number.

40900897 is a deficient number, since it is larger than the sum of its proper divisors (1).

40900897 is an equidigital number, since it uses as much as digits as its factorization.

40900897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 40900897 is about 6395.3809112515. The cubic root of 40900897 is about 344.5436716972.

The spelling of 40900897 in words is "forty million, nine hundred thousand, eight hundred ninety-seven".