40478927 has 2 divisors, whose sum is σ = 40478928. Its totient is φ = 40478926.

The previous prime is 40478903. The next prime is 40478941. The reversal of 40478927 is 72987404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40478927 - 2⁸ = 40478671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40478027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20239463 + 20239464.

It is an arithmetic number, because the mean of its divisors is an integer number (20239464).

Almost surely, 2^40478927 is an apocalyptic number.

40478927 is a deficient number, since it is larger than the sum of its proper divisors (1).

40478927 is an equidigital number, since it uses as much as digits as its factorization.

40478927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 40478927 is about 6362.3051640109. The cubic root of 40478927 is about 343.3547005481.

The spelling of 40478927 in words is "forty million, four hundred seventy-eight thousand, nine hundred twenty-seven".