40390367 has 2 divisors, whose sum is σ = 40390368. Its totient is φ = 40390366.

The previous prime is 40390349. The next prime is 40390379. The reversal of 40390367 is 76309304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40390367 - 2¹⁰ = 40389343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40390667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20195183 + 20195184.

It is an arithmetic number, because the mean of its divisors is an integer number (20195184).

Almost surely, 2^40390367 is an apocalyptic number.

40390367 is a deficient number, since it is larger than the sum of its proper divisors (1).

40390367 is an equidigital number, since it uses as much as digits as its factorization.

40390367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 40390367 is about 6355.3416115894. The cubic root of 40390367 is about 343.1041200053.

The spelling of 40390367 in words is "forty million, three hundred ninety thousand, three hundred sixty-seven".