662324488840 has 128 divisors (see below), whose sum is σ = 1721063842560. Its totient is φ = 224700862464.

The previous prime is 662324488823. The next prime is 662324488933. The reversal of 662324488840 is 48884423266.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11979099 + ... + 12034261.

It is an arithmetic number, because the mean of its divisors is an integer number (13445811270).

Almost surely, 2^662324488840 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 662324488840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860531921280).

662324488840 is an abundant number, since it is smaller than the sum of its proper divisors (1058739353720).

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

662324488840 is a wasteful number, since it uses less digits than its factorization.

662324488840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55631 (or 55627 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 55.

The spelling of 662324488840 in words is "six hundred sixty-two billion, three hundred twenty-four million, four hundred eighty-eight thousand, eight hundred forty".