5120385646 has 16 divisors (see below), whose sum is σ = 7758283104. Its totient is φ = 2534311584.

The previous prime is 5120385607. The next prime is 5120385713. The reversal of 5120385646 is 6465830215.

It is a junction number, because it is equal to n+sod(n) for n = 5120385599 and 5120385608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902956 + ... + 908608.

It is an arithmetic number, because the mean of its divisors is an integer number (484892694).

Almost surely, 2^5120385646 is an apocalyptic number.

5120385646 is a deficient number, since it is larger than the sum of its proper divisors (2637897458).

5120385646 is a wasteful number, since it uses less digits than its factorization.

5120385646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10155.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 5120385646 is about 71556.8700125991. The cubic root of 5120385646 is about 1723.5910243308.

The spelling of 5120385646 in words is "five billion, one hundred twenty million, three hundred eighty-five thousand, six hundred forty-six".