3960555505 has 32 divisors (see below), whose sum is σ = 4990076928. Its totient is φ = 3013977600.

The previous prime is 3960555503. The next prime is 3960555527. The reversal of 3960555505 is 5055550693.

3960555505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3960555505 - 2¹ = 3960555503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3960555503) 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, 6121092 + ... + 6121738.

It is an arithmetic number, because the mean of its divisors is an integer number (155939904).

Almost surely, 2^3960555505 is an apocalyptic number.

It is an amenable number.

3960555505 is a deficient number, since it is larger than the sum of its proper divisors (1029521423).

3960555505 is a wasteful number, since it uses less digits than its factorization.

3960555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 506250, while the sum is 43.

The square root of 3960555505 is about 62932.9445123935. The cubic root of 3960555505 is about 1582.1659533490.

The spelling of 3960555505 in words is "three billion, nine hundred sixty million, five hundred fifty-five thousand, five hundred five".