440484448488 has 32 divisors (see below), whose sum is σ = 1258526996160. Its totient is φ = 125852699520.

The previous prime is 440484448447. The next prime is 440484448501. The reversal of 440484448488 is 884844484044.

It is a happy number.

It is a super-2 number, since 2×440484448488² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310965453 + ... + 1310965788.

It is an arithmetic number, because the mean of its divisors is an integer number (39328968630).

Almost surely, 2^440484448488 is an apocalyptic number.

It is an amenable number.

440484448488 is an abundant number, since it is smaller than the sum of its proper divisors (818042547672).

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

440484448488 is a wasteful number, since it uses less digits than its factorization.

440484448488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621931257 (or 2621931253 counting only the distinct ones).

The product of its (nonzero) digits is 67108864, while the sum is 60.

The spelling of 440484448488 in words is "four hundred forty billion, four hundred eighty-four million, four hundred forty-eight thousand, four hundred eighty-eight".