40440223308 has 12 divisors (see below), whose sum is σ = 94360521080. Its totient is φ = 13480074432.

The previous prime is 40440223249. The next prime is 40440223309. The reversal of 40440223308 is 80332204404.

40440223308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40440223308² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40440223309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685009293 + ... + 1685009316.

Almost surely, 2^40440223308 is an apocalyptic number.

It is an amenable number.

40440223308 is an abundant number, since it is smaller than the sum of its proper divisors (53920297772).

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

40440223308 is a wasteful number, since it uses less digits than its factorization.

40440223308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370018616 (or 3370018614 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 40440223308 in words is "forty billion, four hundred forty million, two hundred twenty-three thousand, three hundred eight".