6733400800128 has 64 divisors (see below), whose sum is σ = 18321829963920. Its totient is φ = 2189723832320.

The previous prime is 6733400800127. The next prime is 6733400800171. The reversal of 6733400800128 is 8210080043376.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6733400800128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6733400800127) 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, 213824475 + ... + 213855962.

Almost surely, 2^{6733400800128} is an apocalyptic number.

It is an amenable number.

6733400800128 is an abundant number, since it is smaller than the sum of its proper divisors (11588429163792).

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

6733400800128 is a wasteful number, since it uses less digits than its factorization.

6733400800128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427680495 (or 427680483 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 6733400800128 in words is "six trillion, seven hundred thirty-three billion, four hundred million, eight hundred thousand, one hundred twenty-eight".