40678151 has 2 divisors, whose sum is σ = 40678152. Its totient is φ = 40678150.

The previous prime is 40678147. The next prime is 40678153. The reversal of 40678151 is 15187604.

It is a happy number.

40678151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40678151 - 2² = 40678147 is a prime.

Together with 40678153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40678153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20339075 + 20339076.

It is an arithmetic number, because the mean of its divisors is an integer number (20339076).

Almost surely, 2^40678151 is an apocalyptic number.

40678151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40678151 is an equidigital number, since it uses as much as digits as its factorization.

40678151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 40678151 is about 6377.9425365865. The cubic root of 40678151 is about 343.9170720194.

The spelling of 40678151 in words is "forty million, six hundred seventy-eight thousand, one hundred fifty-one".