1560442340 has 24 divisors (see below), whose sum is σ = 3313752120. Its totient is φ = 617163008.

The previous prime is 1560442307. The next prime is 1560442343. The reversal of 1560442340 is 432440651.

It can be written as a sum of positive squares in 4 ways, for example, as 207821056 + 1352621284 = 14416^2 + 36778^2 .

It is not an unprimeable number, because it can be changed into a prime (1560442343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436547 + ... + 440106.

It is an arithmetic number, because the mean of its divisors is an integer number (138073005).

Almost surely, 2^1560442340 is an apocalyptic number.

1560442340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560442340 is an abundant number, since it is smaller than the sum of its proper divisors (1753309780).

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

1560442340 is a wasteful number, since it uses less digits than its factorization.

1560442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876751 (or 876749 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1560442340 is about 39502.4346085150. The cubic root of 1560442340 is about 1159.8876080168.

Adding to 1560442340 its reverse (432440651), we get a palindrome (1992882991).

The spelling of 1560442340 in words is "one billion, five hundred sixty million, four hundred forty-two thousand, three hundred forty".