463646442380 has 144 divisors (see below), whose sum is σ = 1138887086400. Its totient is φ = 157880954880.

The previous prime is 463646442361. The next prime is 463646442383. The reversal of 463646442380 is 83244646364.

It is not an unprimeable number, because it can be changed into a prime (463646442383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8158544 + ... + 8215176.

It is an arithmetic number, because the mean of its divisors is an integer number (7908938100).

Almost surely, 2^463646442380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463646442380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569443543200).

463646442380 is an abundant number, since it is smaller than the sum of its proper divisors (675240644020).

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

463646442380 is a wasteful number, since it uses less digits than its factorization.

463646442380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56880 (or 56867 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 50.

The spelling of 463646442380 in words is "four hundred sixty-three billion, six hundred forty-six million, four hundred forty-two thousand, three hundred eighty".