5640373545 has 8 divisors (see below), whose sum is σ = 9024597696. Its totient is φ = 3008199216.

The previous prime is 5640373483. The next prime is 5640373547. The reversal of 5640373545 is 5453730465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5640373545 - 2²⁶ = 5573264681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5640373497 and 5640373506.

It is not an unprimeable number, because it can be changed into a prime (5640373547) 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, 188012437 + ... + 188012466.

It is an arithmetic number, because the mean of its divisors is an integer number (1128074712).

Almost surely, 2^5640373545 is an apocalyptic number.

It is an amenable number.

5640373545 is a deficient number, since it is larger than the sum of its proper divisors (3384224151).

5640373545 is a wasteful number, since it uses less digits than its factorization.

5640373545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376024911.

The product of its (nonzero) digits is 756000, while the sum is 42.

The square root of 5640373545 is about 75102.4203671227. The cubic root of 5640373545 is about 1780.0653875950.

The spelling of 5640373545 in words is "five billion, six hundred forty million, three hundred seventy-three thousand, five hundred forty-five".