40550473 has 2 divisors, whose sum is σ = 40550474. Its totient is φ = 40550472.

The previous prime is 40550453. The next prime is 40550501. The reversal of 40550473 is 37405504.

It is an a-pointer prime, because the next prime (40550501) can be obtained adding 40550473 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34012224 + 6538249 = 5832^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 40550473 - 2⁵ = 40550441 is a prime.

It is not a weakly prime, because it can be changed into another prime (40550453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20275236 + 20275237.

It is an arithmetic number, because the mean of its divisors is an integer number (20275237).

Almost surely, 2^40550473 is an apocalyptic number.

It is an amenable number.

40550473 is a deficient number, since it is larger than the sum of its proper divisors (1).

40550473 is an equidigital number, since it uses as much as digits as its factorization.

40550473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 40550473 is about 6367.9253293361. The cubic root of 40550473 is about 343.5568732031.

Adding to 40550473 its reverse (37405504), we get a palindrome (77955977).

The spelling of 40550473 in words is "forty million, five hundred fifty thousand, four hundred seventy-three".