40224644608 has 40 divisors (see below), whose sum is σ = 81166579560. Its totient is φ = 19913164800.

The previous prime is 40224644573. The next prime is 40224644651. The reversal of 40224644608 is 80644642204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337218 + ... + 440641.

It is an arithmetic number, because the mean of its divisors is an integer number (2029164489).

Almost surely, 2^40224644608 is an apocalyptic number.

It is an amenable number.

40224644608 is an abundant number, since it is smaller than the sum of its proper divisors (40941934952).

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

40224644608 is an equidigital number, since it uses as much as digits as its factorization.

40224644608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777978 (or 777962 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 40224644608 in words is "forty billion, two hundred twenty-four million, six hundred forty-four thousand, six hundred eight".