1388081499300 has 576 divisors, whose sum is σ = 4846729789440. Its totient is φ = 339440855040.

The previous prime is 1388081499269. The next prime is 1388081499319. The reversal of 1388081499300 is 39941808831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1276983357 + ... + 1276984443.

It is an arithmetic number, because the mean of its divisors is an integer number (8414461440).

Almost surely, 2^{1388081499300} is an apocalyptic number.

1388081499300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1388081499300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423364894720).

1388081499300 is an abundant number, since it is smaller than the sum of its proper divisors (3458648290140).

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

1388081499300 is a wasteful number, since it uses less digits than its factorization.

1388081499300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 1388081499300 in words is "one trillion, three hundred eighty-eight billion, eighty-one million, four hundred ninety-nine thousand, three hundred".