40855351 has 2 divisors, whose sum is σ = 40855352. Its totient is φ = 40855350.

The previous prime is 40855319. The next prime is 40855387. The reversal of 40855351 is 15355804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40855351 - 2⁵ = 40855319 is a prime.

It is a super-3 number, since 3×40855351³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2482573 and since 40855351 and 2482573 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40855391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20427675 + 20427676.

It is an arithmetic number, because the mean of its divisors is an integer number (20427676).

Almost surely, 2^40855351 is an apocalyptic number.

40855351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40855351 is an equidigital number, since it uses as much as digits as its factorization.

40855351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 40855351 is about 6391.8190681527. The cubic root of 40855351 is about 344.4157330637.

The spelling of 40855351 in words is "forty million, eight hundred fifty-five thousand, three hundred fifty-one".