1438504049188 has 12 divisors (see below), whose sum is σ = 2517416384112. Its totient is φ = 719242225160.

The previous prime is 1438504049183. The next prime is 1438504049201. The reversal of 1438504049188 is 8819404058341.

It is not an unprimeable number, because it can be changed into a prime (1438504049183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114470 + ... + 2710717.

It is an arithmetic number, because the mean of its divisors is an integer number (209784698676).

Almost surely, 2^{1438504049188} is an apocalyptic number.

It is an amenable number.

1438504049188 is a deficient number, since it is larger than the sum of its proper divisors (1078912334924).

1438504049188 is a wasteful number, since it uses less digits than its factorization.

1438504049188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899722 (or 4899720 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 1438504049188 in words is "one trillion, four hundred thirty-eight billion, five hundred four million, forty-nine thousand, one hundred eighty-eight".