4420520240345 has 64 divisors (see below), whose sum is σ = 6001839230976. Its totient is φ = 3097675975680.

The previous prime is 4420520240243. The next prime is 4420520240371. The reversal of 4420520240345 is 5430420250244.

It is not a de Polignac number, because 4420520240345 - 2²⁰ = 4420519191769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 324387422 + ... + 324401048.

It is an arithmetic number, because the mean of its divisors is an integer number (93778737984).

Almost surely, 2^{4420520240345} is an apocalyptic number.

It is an amenable number.

4420520240345 is a deficient number, since it is larger than the sum of its proper divisors (1581318990631).

4420520240345 is a wasteful number, since it uses less digits than its factorization.

4420520240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15630.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 4420520240345 its reverse (5430420250244), we get a palindrome (9850940490589).

The spelling of 4420520240345 in words is "four trillion, four hundred twenty billion, five hundred twenty million, two hundred forty thousand, three hundred forty-five".