67400740000400 has 30 divisors (see below), whose sum is σ = 161930277851922. Its totient is φ = 26960296000000.

The previous prime is 67400740000393. The next prime is 67400740000403. The reversal of 67400740000400 is 400004700476.

It can be written as a sum of positive squares in 3 ways, for example, as 3910696092304 + 63490043908096 = 1977548^2 + 7968064^2 .

It is not an unprimeable number, because it can be changed into a prime (67400740000403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84250924601 + ... + 84250925400.

Almost surely, 2^{67400740000400} is an apocalyptic number.

It is an amenable number.

67400740000400 is an abundant number, since it is smaller than the sum of its proper divisors (94529537851522).

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

67400740000400 is a wasteful number, since it uses less digits than its factorization.

67400740000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168501850019 (or 168501850008 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 67400740000400 its reverse (400004700476), we get a palindrome (67800744700876).

The spelling of 67400740000400 in words is "sixty-seven trillion, four hundred billion, seven hundred forty million, four hundred", and thus it is an aban number.