1499389968384 has 1440 divisors, whose sum is σ = 5761690561536. Its totient is φ = 378383892480.

The previous prime is 1499389968343. The next prime is 1499389968389. The reversal of 1499389968384 is 4838699839941.

1499389968384 is a `hidden beast` number, since 1 + 4 + 9 + 93 + 8 + 99 + 68 + 384 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499389968389) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20539588572 + ... + 20539588644.

Almost surely, 2^{1499389968384} is an apocalyptic number.

1499389968384 is a gapful number since it is divisible by the number (14) 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 1499389968384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880845280768).

1499389968384 is an abundant number, since it is smaller than the sum of its proper divisors (4262300593152).

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

1499389968384 is an frugal number, since it uses more digits than its factorization.

1499389968384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 163 counting only the distinct ones).

The product of its digits is 2902376448, while the sum is 81.

The spelling of 1499389968384 in words is "one trillion, four hundred ninety-nine billion, three hundred eighty-nine million, nine hundred sixty-eight thousand, three hundred eighty-four".