4256641516 has 12 divisors (see below), whose sum is σ = 7841181880. Its totient is φ = 2016303840.

The previous prime is 4256641507. The next prime is 4256641517. The reversal of 4256641516 is 6151466524.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4256641517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28004145 + ... + 28004296.

Almost surely, 2^4256641516 is an apocalyptic number.

It is an amenable number.

4256641516 is a deficient number, since it is larger than the sum of its proper divisors (3584540364).

4256641516 is a wasteful number, since it uses less digits than its factorization.

4256641516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56008464 (or 56008462 counting only the distinct ones).

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

The square root of 4256641516 is about 65242.9422696432. The cubic root of 4256641516 is about 1620.6492236040.

The spelling of 4256641516 in words is "four billion, two hundred fifty-six million, six hundred forty-one thousand, five hundred sixteen".