4120415643445 has 16 divisors (see below), whose sum is σ = 5088732751872. Its totient is φ = 3201062760000.

The previous prime is 4120415643433. The next prime is 4120415643469. The reversal of 4120415643445 is 5443465140214.

It is not a de Polignac number, because 4120415643445 - 2⁷ = 4120415643317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55352181 + ... + 55426570.

It is an arithmetic number, because the mean of its divisors is an integer number (318045796992).

Almost surely, 2^{4120415643445} is an apocalyptic number.

It is an amenable number.

4120415643445 is a deficient number, since it is larger than the sum of its proper divisors (968317108427).

4120415643445 is a wasteful number, since it uses less digits than its factorization.

4120415643445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110778972.

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 4120415643445 in words is "four trillion, one hundred twenty billion, four hundred fifteen million, six hundred forty-three thousand, four hundred forty-five".