68461300447500 has 120 divisors (see below), whose sum is σ = 205009893771760. Its totient is φ = 17762931936000.

The previous prime is 68461300447493. The next prime is 68461300447541. The reversal of 68461300447500 is 574400316486.

It is a self number, because there is not a number n which added to its sum of digits gives 68461300447500.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123076195 + ... + 123631194.

Almost surely, 2^{68461300447500} is an apocalyptic number.

68461300447500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68461300447500 is an abundant number, since it is smaller than the sum of its proper divisors (136548593324260).

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

68461300447500 is a wasteful number, since it uses less digits than its factorization.

68461300447500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246707453 (or 246707436 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 68461300447500 in words is "sixty-eight trillion, four hundred sixty-one billion, three hundred million, four hundred forty-seven thousand, five hundred".