4261355656 has 16 divisors (see below), whose sum is σ = 8060751900. Its totient is φ = 2111821824.

The previous prime is 4261355621. The next prime is 4261355687. The reversal of 4261355656 is 6565531624.

It can be written as a sum of positive squares in 2 ways, for example, as 3468032100 + 793323556 = 58890^2 + 28166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356041 + ... + 2357848.

Almost surely, 2^4261355656 is an apocalyptic number.

It is an amenable number.

4261355656 is a deficient number, since it is larger than the sum of its proper divisors (3799396244).

4261355656 is a wasteful number, since it uses less digits than its factorization.

4261355656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714008 (or 4714004 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The square root of 4261355656 is about 65279.0598584263. The cubic root of 4261355656 is about 1621.2472810685.

The spelling of 4261355656 in words is "four billion, two hundred sixty-one million, three hundred fifty-five thousand, six hundred fifty-six".