68017095040 has 64 divisors (see below), whose sum is σ = 167848686720. Its totient is φ = 26329190400.

The previous prime is 68017095031. The next prime is 68017095043. The reversal of 68017095040 is 4059071086.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 68017094984 and 68017095002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68017095043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694301 + ... + 1733980.

It is an arithmetic number, because the mean of its divisors is an integer number (2622635730).

Almost surely, 2^68017095040 is an apocalyptic number.

It is an amenable number.

68017095040 is an abundant number, since it is smaller than the sum of its proper divisors (99831591680).

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

68017095040 is a wasteful number, since it uses less digits than its factorization.

68017095040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428331 (or 3428319 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 68017095040 in words is "sixty-eight billion, seventeen million, ninety-five thousand, forty".