4055391645 has 16 divisors (see below), whose sum is σ = 6502712832. Its totient is φ = 2158180160.

The previous prime is 4055391629. The next prime is 4055391677. The reversal of 4055391645 is 5461935504.

It is not a de Polignac number, because 4055391645 - 2⁴ = 4055391629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4055391597 and 4055391606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286317 + ... + 300146.

It is an arithmetic number, because the mean of its divisors is an integer number (406419552).

Almost surely, 2^4055391645 is an apocalyptic number.

It is an amenable number.

4055391645 is a deficient number, since it is larger than the sum of its proper divisors (2447321187).

4055391645 is a wasteful number, since it uses less digits than its factorization.

4055391645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586932.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 4055391645 is about 63681.9569815501. The cubic root of 4055391645 is about 1594.6948830511.

The spelling of 4055391645 in words is "four billion, fifty-five million, three hundred ninety-one thousand, six hundred forty-five".