440280480 has 48 divisors (see below), whose sum is σ = 1386885024. Its totient is φ = 117408000.

The previous prime is 440280473. The next prime is 440280481. The reversal of 440280480 is 84082044.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (440280481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458146 + ... + 459105.

It is an arithmetic number, because the mean of its divisors is an integer number (28893438).

Almost surely, 2^440280480 is an apocalyptic number.

440280480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440280480 is an abundant number, since it is smaller than the sum of its proper divisors (946604544).

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

440280480 is a wasteful number, since it uses less digits than its factorization.

440280480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917269 (or 917261 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 440280480 is about 20982.8615779641. The cubic root of 440280480 is about 760.7520717794.

The spelling of 440280480 in words is "four hundred forty million, two hundred eighty thousand, four hundred eighty".