5640195568 has 60 divisors (see below), whose sum is σ = 12809293992. Its totient is φ = 2398730880.

The previous prime is 5640195551. The next prime is 5640195571. The reversal of 5640195568 is 8655910465.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75246 + ... + 130162.

Almost surely, 2^5640195568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5640195568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6404646996).

5640195568 is an abundant number, since it is smaller than the sum of its proper divisors (7169098424).

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

5640195568 is a wasteful number, since it uses less digits than its factorization.

5640195568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55070 (or 55057 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 49.

The square root of 5640195568 is about 75101.2354625408. The cubic root of 5640195568 is about 1780.0466646016.

The spelling of 5640195568 in words is "five billion, six hundred forty million, one hundred ninety-five thousand, five hundred sixty-eight".