67400340067404 has 72 divisors (see below), whose sum is σ = 178034218663392. Its totient is φ = 21459307161600.

The previous prime is 67400340067399. The next prime is 67400340067477. The reversal of 67400340067404 is 40476004300476.

It is a self number, because there is not a number n which added to its sum of digits gives 67400340067404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57480469 + ... + 58641324.

It is an arithmetic number, because the mean of its divisors is an integer number (2472697481436).

Almost surely, 2^{67400340067404} is an apocalyptic number.

It is an amenable number.

67400340067404 is an abundant number, since it is smaller than the sum of its proper divisors (110633878595988).

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

67400340067404 is a wasteful number, since it uses less digits than its factorization.

67400340067404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116122527 (or 116122522 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 67400340067404 in words is "sixty-seven trillion, four hundred billion, three hundred forty million, sixty-seven thousand, four hundred four".