40212833 has 2 divisors, whose sum is σ = 40212834. Its totient is φ = 40212832.

The previous prime is 40212793. The next prime is 40212857. The reversal of 40212833 is 33821204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 5438224 = 5897^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 40212833 - 2¹⁶ = 40147297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40212799 and 40212808.

It is not a weakly prime, because it can be changed into another prime (40212863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106416 + 20106417.

It is an arithmetic number, because the mean of its divisors is an integer number (20106417).

Almost surely, 2^40212833 is an apocalyptic number.

It is an amenable number.

40212833 is a deficient number, since it is larger than the sum of its proper divisors (1).

40212833 is an equidigital number, since it uses as much as digits as its factorization.

40212833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40212833 is about 6341.3589237639. The cubic root of 40212833 is about 342.6006822123.

The spelling of 40212833 in words is "forty million, two hundred twelve thousand, eight hundred thirty-three".