440453064 has 32 divisors (see below), whose sum is σ = 1104030720. Its totient is φ = 146431296.

The previous prime is 440453063. The next prime is 440453087. The reversal of 440453064 is 460354044.

It is not an unprimeable number, because it can be changed into a prime (440453063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14767 + ... + 33150.

It is an arithmetic number, because the mean of its divisors is an integer number (34500960).

Almost surely, 2^440453064 is an apocalyptic number.

It is an amenable number.

440453064 is an abundant number, since it is smaller than the sum of its proper divisors (663577656).

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

440453064 is a wasteful number, since it uses less digits than its factorization.

440453064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48309 (or 48305 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 440453064 is about 20986.9736741627. The cubic root of 440453064 is about 760.8514603057.

The spelling of 440453064 in words is "four hundred forty million, four hundred fifty-three thousand, sixty-four".