642330534048 has 192 divisors, whose sum is σ = 2042915954688. Its totient is φ = 172802626560.

The previous prime is 642330533993. The next prime is 642330534119. The reversal of 642330534048 is 840435033246.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354111 + ... + 1187457.

It is an arithmetic number, because the mean of its divisors is an integer number (10640187264).

Almost surely, 2^642330534048 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 642330534048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021457977344).

642330534048 is an abundant number, since it is smaller than the sum of its proper divisors (1400585420640).

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

642330534048 is a wasteful number, since it uses less digits than its factorization.

642330534048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833435 (or 833427 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 642330534048 in words is "six hundred forty-two billion, three hundred thirty million, five hundred thirty-four thousand, forty-eight".