1600049280 has 256 divisors, whose sum is σ = 5604940800. Its totient is φ = 386445312.

The previous prime is 1600049279. The next prime is 1600049281. The reversal of 1600049280 is 829400061.

It is an interprime number because it is at equal distance from previous prime (1600049279) and next prime (1600049281).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1600049281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 838087 + ... + 839993.

It is an arithmetic number, because the mean of its divisors is an integer number (21894300).

Almost surely, 2^1600049280 is an apocalyptic number.

1600049280 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 1600049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2802470400).

1600049280 is an abundant number, since it is smaller than the sum of its proper divisors (4004891520).

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

1600049280 is a wasteful number, since it uses less digits than its factorization.

1600049280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1600049280 is about 40000.6159952569. The cubic root of 1600049280 is about 1169.6191031280.

The spelling of 1600049280 in words is "one billion, six hundred million, forty-nine thousand, two hundred eighty".