1389009044408 has 32 divisors (see below), whose sum is σ = 2761064204160. Its totient is φ = 653936250240.

The previous prime is 1389009044389. The next prime is 1389009044411. The reversal of 1389009044408 is 8044409009831.

It is a super-2 number, since 2×1389009044408² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75677891 + ... + 75696242.

It is an arithmetic number, because the mean of its divisors is an integer number (86283256380).

Almost surely, 2^{1389009044408} is an apocalyptic number.

It is an amenable number.

1389009044408 is a deficient number, since it is larger than the sum of its proper divisors (1372055159752).

1389009044408 is a wasteful number, since it uses less digits than its factorization.

1389009044408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151374207 (or 151374203 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 1389009044408 in words is "one trillion, three hundred eighty-nine billion, nine million, forty-four thousand, four hundred eight".