68030218740 has 96 divisors (see below), whose sum is σ = 208878477696. Its totient is φ = 16406691840.

The previous prime is 68030218721. The next prime is 68030218799. The reversal of 68030218740 is 4781203086.

It is a super-2 number, since 2×68030218740² (a number of 22 digits) contains 22 as substring.

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, 139657 + ... + 394416.

It is an arithmetic number, because the mean of its divisors is an integer number (2175817476).

Almost surely, 2^68030218740 is an apocalyptic number.

68030218740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68030218740 is an abundant number, since it is smaller than the sum of its proper divisors (140848258956).

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

68030218740 is a wasteful number, since it uses less digits than its factorization.

68030218740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534289 (or 534287 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 68030218740 in words is "sixty-eight billion, thirty million, two hundred eighteen thousand, seven hundred forty".