40601851 has 2 divisors, whose sum is σ = 40601852. Its totient is φ = 40601850.

The previous prime is 40601837. The next prime is 40601863. The reversal of 40601851 is 15810604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40601851 - 2¹¹ = 40599803 is a prime.

It is equal to p_2468014 and since 40601851 and 2468014 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40608851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20300925 + 20300926.

It is an arithmetic number, because the mean of its divisors is an integer number (20300926).

Almost surely, 2^40601851 is an apocalyptic number.

40601851 is a deficient number, since it is larger than the sum of its proper divisors (1).

40601851 is an equidigital number, since it uses as much as digits as its factorization.

40601851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 40601851 is about 6371.9581762595. The cubic root of 40601851 is about 343.7019090409.

The spelling of 40601851 in words is "forty million, six hundred one thousand, eight hundred fifty-one".