1568142704640 has 480 divisors, whose sum is σ = 5411493642240. Its totient is φ = 386452684800.

The previous prime is 1568142704629. The next prime is 1568142704663. The reversal of 1568142704640 is 464072418651.

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 (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1568142704640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191442945 + ... + 191451135.

It is an arithmetic number, because the mean of its divisors is an integer number (11273945088).

Almost surely, 2^{1568142704640} is an apocalyptic number.

1568142704640 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 1568142704640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2705746821120).

1568142704640 is an abundant number, since it is smaller than the sum of its proper divisors (3843350937600).

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

1568142704640 is an equidigital number, since it uses as much as digits as its factorization.

1568142704640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287 (or 8261 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 1568142704640 in words is "one trillion, five hundred sixty-eight billion, one hundred forty-two million, seven hundred four thousand, six hundred forty".