5645340344 has 32 divisors (see below), whose sum is σ = 12733852800. Its totient is φ = 2292092640.

The previous prime is 5645340329. The next prime is 5645340347. The reversal of 5645340344 is 4430435465.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 5645340298 and 5645340307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645340347) 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, 2651822 + ... + 2653949.

It is an arithmetic number, because the mean of its divisors is an integer number (397932900).

Almost surely, 2^5645340344 is an apocalyptic number.

It is an amenable number.

5645340344 is an abundant number, since it is smaller than the sum of its proper divisors (7088512456).

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

5645340344 is a wasteful number, since it uses less digits than its factorization.

5645340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305803 (or 5305799 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

The square root of 5645340344 is about 75135.4799279275. The cubic root of 5645340344 is about 1780.5877308435.

The spelling of 5645340344 in words is "five billion, six hundred forty-five million, three hundred forty thousand, three hundred forty-four".