40304633 has 2 divisors, whose sum is σ = 40304634. Its totient is φ = 40304632.

The previous prime is 40304623. The next prime is 40304647. The reversal of 40304633 is 33640304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37356544 + 2948089 = 6112^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 40304633 - 2¹⁰ = 40303609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40304599 and 40304608.

It is not a weakly prime, because it can be changed into another prime (40304623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20152316 + 20152317.

It is an arithmetic number, because the mean of its divisors is an integer number (20152317).

Almost surely, 2^40304633 is an apocalyptic number.

It is an amenable number.

40304633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40304633 is an equidigital number, since it uses as much as digits as its factorization.

40304633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 40304633 is about 6348.5929937270. The cubic root of 40304633 is about 342.8611864520.

Adding to 40304633 its reverse (33640304), we get a palindrome (73944937).

The spelling of 40304633 in words is "forty million, three hundred four thousand, six hundred thirty-three".