68936421120 has 288 divisors, whose sum is σ = 259737784320. Its totient is φ = 15248424960.

The previous prime is 68936421067. The next prime is 68936421137. The reversal of 68936421120 is 2112463986.

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

It is a congruent number.

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, 791916 + ... + 874644.

Almost surely, 2^68936421120 is an apocalyptic number.

68936421120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68936421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129868892160).

68936421120 is an abundant number, since it is smaller than the sum of its proper divisors (190801363200).

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

68936421120 is a wasteful number, since it uses less digits than its factorization.

68936421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82791 (or 82777 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 68936421120 in words is "sixty-eight billion, nine hundred thirty-six million, four hundred twenty-one thousand, one hundred twenty".