463489440 has 48 divisors (see below), whose sum is σ = 1459993248. Its totient is φ = 123597056.

The previous prime is 463489423. The next prime is 463489441. The reversal of 463489440 is 44984364.

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

It is a junction number, because it is equal to n+sod(n) for n = 463489392 and 463489401.

It is not an unprimeable number, because it can be changed into a prime (463489441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482322 + ... + 483281.

It is an arithmetic number, because the mean of its divisors is an integer number (30416526).

Almost surely, 2^463489440 is an apocalyptic number.

463489440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

463489440 is an abundant number, since it is smaller than the sum of its proper divisors (996503808).

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

463489440 is a wasteful number, since it uses less digits than its factorization.

463489440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965621 (or 965613 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 463489440 is about 21528.8048901930. The cubic root of 463489440 is about 773.8912706404.

The spelling of 463489440 in words is "four hundred sixty-three million, four hundred eighty-nine thousand, four hundred forty".