68912400400004 has 24 divisors (see below), whose sum is σ = 139162905667968. Its totient is φ = 29247149128320.

The previous prime is 68912400399991. The next prime is 68912400400009. The reversal of 68912400400004 is 40000400421986.

It is not an unprimeable number, because it can be changed into a prime (68912400400009) 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, 11947361957 + ... + 11947367724.

It is an arithmetic number, because the mean of its divisors is an integer number (5798454402832).

Almost surely, 2^{68912400400004} is an apocalyptic number.

It is an amenable number.

68912400400004 is an abundant number, since it is smaller than the sum of its proper divisors (70250505267964).

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

68912400400004 is a wasteful number, since it uses less digits than its factorization.

68912400400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23894729795 (or 23894729793 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 68912400400004 in words is "sixty-eight trillion, nine hundred twelve billion, four hundred million, four hundred thousand, four".