68480842540 has 48 divisors (see below), whose sum is σ = 157587010560. Its totient is φ = 24790438080.

The previous prime is 68480842523. The next prime is 68480842567. The reversal of 68480842540 is 4524808486.

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, 648870 + ... + 746989.

It is an arithmetic number, because the mean of its divisors is an integer number (3283062720).

Almost surely, 2^68480842540 is an apocalyptic number.

It is an amenable number.

68480842540 is an abundant number, since it is smaller than the sum of its proper divisors (89106168020).

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

68480842540 is a wasteful number, since it uses less digits than its factorization.

68480842540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396102 (or 1396100 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 49.

The spelling of 68480842540 in words is "sixty-eight billion, four hundred eighty million, eight hundred forty-two thousand, five hundred forty".