1560478734540 has 288 divisors, whose sum is σ = 5294754803520. Its totient is φ = 368719257600.

The previous prime is 1560478734487. The next prime is 1560478734553. The reversal of 1560478734540 is 454378740651.

1560478734540 is a `hidden beast` number, since 1 + 5 + 60 + 4 + 7 + 8 + 7 + 34 + 540 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90669456 + ... + 90686664.

It is an arithmetic number, because the mean of its divisors is an integer number (18384565290).

Almost surely, 2^{1560478734540} is an apocalyptic number.

1560478734540 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 1560478734540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2647377401760).

1560478734540 is an abundant number, since it is smaller than the sum of its proper divisors (3734276068980).

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

1560478734540 is a wasteful number, since it uses less digits than its factorization.

1560478734540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393 (or 18388 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 1560478734540 in words is "one trillion, five hundred sixty billion, four hundred seventy-eight million, seven hundred thirty-four thousand, five hundred forty".