1560798720 has 480 divisors, whose sum is σ = 6068174112. Its totient is φ = 382205952.

The previous prime is 1560798697. The next prime is 1560798721. The reversal of 1560798720 is 278970651.

1560798720 is a `hidden beast` number, since 1 + 560 + 7 + 9 + 87 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560798721) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8086944 + ... + 8087136.

Almost surely, 2^1560798720 is an apocalyptic number.

1560798720 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 1560798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3034087056).

1560798720 is an abundant number, since it is smaller than the sum of its proper divisors (4507375392).

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

1560798720 is an equidigital number, since it uses as much as digits as its factorization.

1560798720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 1560798720 is about 39506.9452122029. The cubic root of 1560798720 is about 1159.9759012037.

The spelling of 1560798720 in words is "one billion, five hundred sixty million, seven hundred ninety-eight thousand, seven hundred twenty".