662433640242 has 128 divisors (see below), whose sum is σ = 1499079149568. Its totient is φ = 193410201600.

The previous prime is 662433640229. The next prime is 662433640247. The reversal of 662433640242 is 242046334266.

It is a junction number, because it is equal to n+sod(n) for n = 662433640194 and 662433640203.

It is not an unprimeable number, because it can be changed into a prime (662433640247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87261867 + ... + 87269457.

It is an arithmetic number, because the mean of its divisors is an integer number (11711555856).

Almost surely, 2^662433640242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662433640242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749539574784).

662433640242 is an abundant number, since it is smaller than the sum of its proper divisors (836645509326).

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

662433640242 is a wasteful number, since it uses less digits than its factorization.

662433640242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064.

The product of its (nonzero) digits is 995328, while the sum is 42.

The spelling of 662433640242 in words is "six hundred sixty-two billion, four hundred thirty-three million, six hundred forty thousand, two hundred forty-two".