40938463 has 2 divisors, whose sum is σ = 40938464. Its totient is φ = 40938462.

The previous prime is 40938449. The next prime is 40938481. The reversal of 40938463 is 36483904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40938463 - 2¹⁷ = 40807391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40938493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20469231 + 20469232.

It is an arithmetic number, because the mean of its divisors is an integer number (20469232).

Almost surely, 2^40938463 is an apocalyptic number.

40938463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40938463 is an equidigital number, since it uses as much as digits as its factorization.

40938463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 40938463 is about 6398.3172006396. The cubic root of 40938463 is about 344.6491230682.

The spelling of 40938463 in words is "forty million, nine hundred thirty-eight thousand, four hundred sixty-three".