68487452040 has 64 divisors (see below), whose sum is σ = 234814124160. Its totient is φ = 15654274560.

The previous prime is 68487452039. The next prime is 68487452087. The reversal of 68487452040 is 4025478486.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40765501 + ... + 40767180.

It is an arithmetic number, because the mean of its divisors is an integer number (3668970690).

Almost surely, 2^68487452040 is an apocalyptic number.

68487452040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68487452040 is an abundant number, since it is smaller than the sum of its proper divisors (166326672120).

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

68487452040 is a wasteful number, since it uses less digits than its factorization.

68487452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81532702 (or 81532698 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 68487452040 in words is "sixty-eight billion, four hundred eighty-seven million, four hundred fifty-two thousand, forty".