5440345 has 8 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 4211760.

The previous prime is 5440343. The next prime is 5440361. The reversal of 5440345 is 5430445.

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

It is not a de Polignac number, because 5440345 - 2¹ = 5440343 is a prime.

5440345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5440343) 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, 17395 + ... + 17704.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^5440345 is an apocalyptic number.

It is an amenable number.

5440345 is a deficient number, since it is larger than the sum of its proper divisors (1298855).

5440345 is a wasteful number, since it uses less digits than its factorization.

5440345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35135.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 5440345 is about 2332.4547155304. The cubic root of 5440345 is about 175.8769047152.

The spelling of 5440345 in words is "five million, four hundred forty thousand, three hundred forty-five".