40862089 has 2 divisors, whose sum is σ = 40862090. Its totient is φ = 40862088.

The previous prime is 40862071. The next prime is 40862093. The reversal of 40862089 is 98026804.

40862089 is nontrivially palindromic in base 13.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 1071225 = 6308^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 40862089 - 2¹¹ = 40860041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40862389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20431044 + 20431045.

It is an arithmetic number, because the mean of its divisors is an integer number (20431045).

Almost surely, 2^40862089 is an apocalyptic number.

It is an amenable number.

40862089 is a deficient number, since it is larger than the sum of its proper divisors (1).

40862089 is an equidigital number, since it uses as much as digits as its factorization.

40862089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 40862089 is about 6392.3461264234. The cubic root of 40862089 is about 344.4346660846.

The spelling of 40862089 in words is "forty million, eight hundred sixty-two thousand, eighty-nine".