463439280 has 80 divisors (see below), whose sum is σ = 1454906880. Its totient is φ = 122014464.

The previous prime is 463439267. The next prime is 463439281. The reversal of 463439280 is 82934364.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (463439281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6739 + ... + 31181.

It is an arithmetic number, because the mean of its divisors is an integer number (18186336).

Almost surely, 2^463439280 is an apocalyptic number.

463439280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463439280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727453440).

463439280 is an abundant number, since it is smaller than the sum of its proper divisors (991467600).

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

463439280 is a wasteful number, since it uses less digits than its factorization.

463439280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538 (or 24532 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 463439280 is about 21527.6399078022. The cubic root of 463439280 is about 773.8633521427.

The spelling of 463439280 in words is "four hundred sixty-three million, four hundred thirty-nine thousand, two hundred eighty".