40149383 has 2 divisors, whose sum is σ = 40149384. Its totient is φ = 40149382.

The previous prime is 40149379. The next prime is 40149397. The reversal of 40149383 is 38394104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40149383 - 2² = 40149379 is a prime.

It is a super-2 number, since 2×40149383² = 3223945910561378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40149353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20074691 + 20074692.

It is an arithmetic number, because the mean of its divisors is an integer number (20074692).

Almost surely, 2^40149383 is an apocalyptic number.

40149383 is a deficient number, since it is larger than the sum of its proper divisors (1).

40149383 is an equidigital number, since it uses as much as digits as its factorization.

40149383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40149383 is about 6336.3540778590. The cubic root of 40149383 is about 342.4203960131.

The spelling of 40149383 in words is "forty million, one hundred forty-nine thousand, three hundred eighty-three".