40731419 has 2 divisors, whose sum is σ = 40731420. Its totient is φ = 40731418.

The previous prime is 40731403. The next prime is 40731433. The reversal of 40731419 is 91413704.

40731419 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 40731419 - 2⁴ = 40731403 is a prime.

It is a super-2 number, since 2×40731419² = 3318096987507122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2475452 and since 40731419 and 2475452 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 40731391 and 40731400.

It is not a weakly prime, because it can be changed into another prime (40731479) 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, 20365709 + 20365710.

It is an arithmetic number, because the mean of its divisors is an integer number (20365710).

Almost surely, 2^40731419 is an apocalyptic number.

40731419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40731419 is an equidigital number, since it uses as much as digits as its factorization.

40731419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40731419 is about 6382.1171252179. The cubic root of 40731419 is about 344.0671262326.

The spelling of 40731419 in words is "forty million, seven hundred thirty-one thousand, four hundred nineteen".