8440303662 has 24 divisors (see below), whose sum is σ = 20899799856. Its totient is φ = 2411515296.

The previous prime is 8440303643. The next prime is 8440303699. The reversal of 8440303662 is 2663030448.

It is a happy number.

It is a super-2 number, since 2×8440303662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33493143 + ... + 33493394.

It is an arithmetic number, because the mean of its divisors is an integer number (870824994).

Almost surely, 2^8440303662 is an apocalyptic number.

8440303662 is an abundant number, since it is smaller than the sum of its proper divisors (12459496194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8440303662 is a wasteful number, since it uses less digits than its factorization.

8440303662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66986552 (or 66986549 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 8440303662 is about 91871.1252897231. The cubic root of 8440303662 is about 2036.0386781276.

The spelling of 8440303662 in words is "eight billion, four hundred forty million, three hundred three thousand, six hundred sixty-two".