40420763 has 2 divisors, whose sum is σ = 40420764. Its totient is φ = 40420762.

The previous prime is 40420753. The next prime is 40420777. The reversal of 40420763 is 36702404.

It is a happy number.

40420763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40420763 - 2¹⁰ = 40419739 is a prime.

It is not a weakly prime, because it can be changed into another prime (40420753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20210381 + 20210382.

It is an arithmetic number, because the mean of its divisors is an integer number (20210382).

Almost surely, 2^40420763 is an apocalyptic number.

40420763 is a deficient number, since it is larger than the sum of its proper divisors (1).

40420763 is an equidigital number, since it uses as much as digits as its factorization.

40420763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 40420763 is about 6357.7325360540. The cubic root of 40420763 is about 343.1901667417.

The spelling of 40420763 in words is "forty million, four hundred twenty thousand, seven hundred sixty-three".