67608504240 has 40 divisors (see below), whose sum is σ = 209586363888. Its totient is φ = 18028934400.

The previous prime is 67608504203. The next prime is 67608504253. The reversal of 67608504240 is 4240580676.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 67608504192 and 67608504201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140850811 + ... + 140851290.

Almost surely, 2^67608504240 is an apocalyptic number.

67608504240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67608504240 is an abundant number, since it is smaller than the sum of its proper divisors (141977859648).

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

67608504240 is a wasteful number, since it uses less digits than its factorization.

67608504240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281702117 (or 281702111 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 67608504240 in words is "sixty-seven billion, six hundred eight million, five hundred four thousand, two hundred forty".