1499841728 has 112 divisors (see below), whose sum is σ = 3929140224. Its totient is φ = 549949440.

The previous prime is 1499841719. The next prime is 1499841757. The reversal of 1499841728 is 8271489941.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 1499841728.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74825 + ... + 92727.

Almost surely, 2^1499841728 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 1499841728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964570112).

1499841728 is an abundant number, since it is smaller than the sum of its proper divisors (2429298496).

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

1499841728 is a wasteful number, since it uses less digits than its factorization.

1499841728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17950 (or 17940 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 53.

The square root of 1499841728 is about 38727.7901254383. The cubic root of 1499841728 is about 1144.6739797566.

The spelling of 1499841728 in words is "one billion, four hundred ninety-nine million, eight hundred forty-one thousand, seven hundred twenty-eight".