40304851 has 2 divisors, whose sum is σ = 40304852. Its totient is φ = 40304850.

The previous prime is 40304839. The next prime is 40304861. The reversal of 40304851 is 15840304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40304851 - 2¹⁹ = 39780563 is a prime.

It is not a weakly prime, because it can be changed into another prime (40304801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20152425 + 20152426.

It is an arithmetic number, because the mean of its divisors is an integer number (20152426).

Almost surely, 2^40304851 is an apocalyptic number.

40304851 is a deficient number, since it is larger than the sum of its proper divisors (1).

40304851 is an equidigital number, since it uses as much as digits as its factorization.

40304851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40304851 is about 6348.6101628624. The cubic root of 40304851 is about 342.8618046076.

The spelling of 40304851 in words is "forty million, three hundred four thousand, eight hundred fifty-one".