34138040004678 has 64 divisors (see below), whose sum is σ = 68795532748800. Its totient is φ = 11293078579200.

The previous prime is 34138040004671. The next prime is 34138040004689. The reversal of 34138040004678 is 87640004083143.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34138040004671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3520469526 + ... + 3520479222.

It is an arithmetic number, because the mean of its divisors is an integer number (1074930199200).

Almost surely, 2^{34138040004678} is an apocalyptic number.

34138040004678 is an abundant number, since it is smaller than the sum of its proper divisors (34657492744122).

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

34138040004678 is a wasteful number, since it uses less digits than its factorization.

34138040004678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 34138040004678 in words is "thirty-four trillion, one hundred thirty-eight billion, forty million, four thousand, six hundred seventy-eight".