4544040345 has 32 divisors (see below), whose sum is σ = 7848470784. Its totient is φ = 2231712000.

The previous prime is 4544040331. The next prime is 4544040349. The reversal of 4544040345 is 5430404454.

It is a happy number.

It is not a de Polignac number, because 4544040345 - 2⁴ = 4544040329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4544040349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54420 + ... + 109770.

It is an arithmetic number, because the mean of its divisors is an integer number (245264712).

Almost surely, 2^4544040345 is an apocalyptic number.

It is an amenable number.

4544040345 is a deficient number, since it is larger than the sum of its proper divisors (3304430439).

4544040345 is a wasteful number, since it uses less digits than its factorization.

4544040345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55793.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 4544040345 is about 67409.4974391591. The cubic root of 4544040345 is about 1656.3320017879.

Adding to 4544040345 its reverse (5430404454), we get a palindrome (9974444799).

The spelling of 4544040345 in words is "four billion, five hundred forty-four million, forty thousand, three hundred forty-five".