1389636300272 has 80 divisors (see below), whose sum is σ = 2950850490624. Its totient is φ = 628719168000.

The previous prime is 1389636300263. The next prime is 1389636300281. The reversal of 1389636300272 is 2720036369831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1389636300263) and next prime (1389636300281).

It is a self number, because there is not a number n which added to its sum of digits gives 1389636300272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46819997 + ... + 46849667.

Almost surely, 2^{1389636300272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389636300272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475425245312).

1389636300272 is an abundant number, since it is smaller than the sum of its proper divisors (1561214190352).

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

1389636300272 is a wasteful number, since it uses less digits than its factorization.

1389636300272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30918 (or 30912 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 1389636300272 in words is "one trillion, three hundred eighty-nine billion, six hundred thirty-six million, three hundred thousand, two hundred seventy-two".