68302042844 has 48 divisors (see below), whose sum is σ = 140441730240. Its totient is φ = 28455114240.

The previous prime is 68302042829. The next prime is 68302042867. The reversal of 68302042844 is 44824020386.

It is a super-2 number, since 2×68302042844² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210602 + ... + 425390.

It is an arithmetic number, because the mean of its divisors is an integer number (2925869380).

Almost surely, 2^68302042844 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 68302042844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70220865120).

68302042844 is an abundant number, since it is smaller than the sum of its proper divisors (72139687396).

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

68302042844 is a wasteful number, since it uses less digits than its factorization.

68302042844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215118 (or 215116 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 41.

The spelling of 68302042844 in words is "sixty-eight billion, three hundred two million, forty-two thousand, eight hundred forty-four".