40418803 has 2 divisors, whose sum is σ = 40418804. Its totient is φ = 40418802.

The previous prime is 40418801. The next prime is 40418813. The reversal of 40418803 is 30881404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40418803 - 2¹ = 40418801 is a prime.

Together with 40418801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40418801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20209401 + 20209402.

It is an arithmetic number, because the mean of its divisors is an integer number (20209402).

Almost surely, 2^40418803 is an apocalyptic number.

40418803 is a deficient number, since it is larger than the sum of its proper divisors (1).

40418803 is an equidigital number, since it uses as much as digits as its factorization.

40418803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 40418803 is about 6357.5783911801. The cubic root of 40418803 is about 343.1846195629.

The spelling of 40418803 in words is "forty million, four hundred eighteen thousand, eight hundred three".