40124419 has 2 divisors, whose sum is σ = 40124420. Its totient is φ = 40124418.

The previous prime is 40124411. The next prime is 40124449. The reversal of 40124419 is 91442104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40124419 - 2³ = 40124411 is a prime.

It is a super-2 number, since 2×40124419² = 3219938000175122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40124393 and 40124402.

It is not a weakly prime, because it can be changed into another prime (40124411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062209 + 20062210.

It is an arithmetic number, because the mean of its divisors is an integer number (20062210).

Almost surely, 2^40124419 is an apocalyptic number.

40124419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40124419 is an equidigital number, since it uses as much as digits as its factorization.

40124419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40124419 is about 6334.3838690120. The cubic root of 40124419 is about 342.3494114846.

The spelling of 40124419 in words is "forty million, one hundred twenty-four thousand, four hundred nineteen".