40172833 has 2 divisors, whose sum is σ = 40172834. Its totient is φ = 40172832.

The previous prime is 40172813. The next prime is 40172837. The reversal of 40172833 is 33827104.

40172833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33500944 + 6671889 = 5788^2 + 2583^2 .

It is a cyclic number.

It is not a de Polignac number, because 40172833 - 2¹⁷ = 40041761 is a prime.

It is a super-2 number, since 2×40172833² = 3227713022491778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40172837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20086416 + 20086417.

It is an arithmetic number, because the mean of its divisors is an integer number (20086417).

Almost surely, 2^40172833 is an apocalyptic number.

It is an amenable number.

40172833 is a deficient number, since it is larger than the sum of its proper divisors (1).

40172833 is an equidigital number, since it uses as much as digits as its factorization.

40172833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40172833 is about 6338.2042409503. The cubic root of 40172833 is about 342.4870487226.

Adding to 40172833 its reverse (33827104), we get a palindrome (73999937).

The spelling of 40172833 in words is "forty million, one hundred seventy-two thousand, eight hundred thirty-three".