40140983 has 2 divisors, whose sum is σ = 40140984. Its totient is φ = 40140982.

The previous prime is 40140979. The next prime is 40141019. The reversal of 40140983 is 38904104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40140983 - 2² = 40140979 is a prime.

It is a super-2 number, since 2×40140983² = 3222597032412578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40140953) 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, 20070491 + 20070492.

It is an arithmetic number, because the mean of its divisors is an integer number (20070492).

Almost surely, 2^40140983 is an apocalyptic number.

40140983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140983 is an equidigital number, since it uses as much as digits as its factorization.

40140983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40140983 is about 6335.6912014397. The cubic root of 40140983 is about 342.3965141024.

The spelling of 40140983 in words is "forty million, one hundred forty thousand, nine hundred eighty-three".