463640647650 has 96 divisors (see below), whose sum is σ = 1212233245440. Its totient is φ = 116947644480.

The previous prime is 463640647609. The next prime is 463640647703. The reversal of 463640647650 is 56746046364.

It is a super-2 number, since 2×463640647650² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 463640647593 and 463640647602.

It is an unprimeable number.

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, 1706049 + ... + 1959051.

It is an arithmetic number, because the mean of its divisors is an integer number (12627429640).

Almost surely, 2^463640647650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463640647650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606116622720).

463640647650 is an abundant number, since it is smaller than the sum of its proper divisors (748592597790).

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

463640647650 is a wasteful number, since it uses less digits than its factorization.

463640647650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253680 (or 253675 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 51.

The spelling of 463640647650 in words is "four hundred sixty-three billion, six hundred forty million, six hundred forty-seven thousand, six hundred fifty".