7138404428388 has 12 divisors (see below), whose sum is σ = 16656276999600. Its totient is φ = 2379468142792.

The previous prime is 7138404428357. The next prime is 7138404428401. The reversal of 7138404428388 is 8838244048317.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297433517838 + ... + 297433517861.

It is an arithmetic number, because the mean of its divisors is an integer number (1388023083300).

Almost surely, 2^{7138404428388} is an apocalyptic number.

It is an amenable number.

7138404428388 is an abundant number, since it is smaller than the sum of its proper divisors (9517872571212).

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

7138404428388 is a wasteful number, since it uses less digits than its factorization.

7138404428388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594867035706 (or 594867035704 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 60.

The spelling of 7138404428388 in words is "seven trillion, one hundred thirty-eight billion, four hundred four million, four hundred twenty-eight thousand, three hundred eighty-eight".