68944280508 has 36 divisors (see below), whose sum is σ = 175445470200. Its totient is φ = 22827187296.

The previous prime is 68944280477. The next prime is 68944280513. The reversal of 68944280508 is 80508244986.

68944280508 is a `hidden beast` number, since 6 + 8 + 94 + 42 + 8 + 0 + 508 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6421210 + ... + 6431937.

Almost surely, 2^68944280508 is an apocalyptic number.

It is an amenable number.

68944280508 is an abundant number, since it is smaller than the sum of its proper divisors (106501189692).

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

68944280508 is a wasteful number, since it uses less digits than its factorization.

68944280508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12853306 (or 12853301 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 68944280508 in words is "sixty-eight billion, nine hundred forty-four million, two hundred eighty thousand, five hundred eight".