1560487680 has 432 divisors, whose sum is σ = 5825645280. Its totient is φ = 399458304.

The previous prime is 1560487667. The next prime is 1560487717. The reversal of 1560487680 is 867840651.

It is a happy number.

1560487680 is a `hidden beast` number, since 1 + 560 + 4 + 8 + 7 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9020074 + ... + 9020246.

It is an arithmetic number, because the mean of its divisors is an integer number (13485290).

Almost surely, 2^1560487680 is an apocalyptic number.

1560487680 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 1560487680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2912822640).

1560487680 is an abundant number, since it is smaller than the sum of its proper divisors (4265157600).

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

1560487680 is an equidigital number, since it uses as much as digits as its factorization.

1560487680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1560487680 is about 39503.0084930249. The cubic root of 1560487680 is about 1159.8988417534.

The spelling of 1560487680 in words is "one billion, five hundred sixty million, four hundred eighty-seven thousand, six hundred eighty".