40421763 has 24 divisors (see below), whose sum is σ = 60231600. Its totient is φ = 26107200.

The previous prime is 40421761. The next prime is 40421783. The reversal of 40421763 is 36712404.

It is not a de Polignac number, because 40421763 - 2¹ = 40421761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40421761) 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 in 23 ways as a sum of consecutive naturals, for example, 57313 + ... + 58013.

It is an arithmetic number, because the mean of its divisors is an integer number (2509650).

Almost surely, 2^40421763 is an apocalyptic number.

40421763 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40421763 is a deficient number, since it is larger than the sum of its proper divisors (19809837).

40421763 is a wasteful number, since it uses less digits than its factorization.

40421763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40421763 is about 6357.8111799581. The cubic root of 40421763 is about 343.1929968659.

The spelling of 40421763 in words is "forty million, four hundred twenty-one thousand, seven hundred sixty-three".