4515678556 has 12 divisors (see below), whose sum is σ = 7954772560. Its totient is φ = 2242886400.

The previous prime is 4515678553. The next prime is 4515678593. The reversal of 4515678556 is 6558765154.

It is a happy number.

It is a super-2 number, since 2×4515678556² = 40782705642236490272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515678553) 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, 3737541 + ... + 3738748.

Almost surely, 2^4515678556 is an apocalyptic number.

It is an amenable number.

4515678556 is a deficient number, since it is larger than the sum of its proper divisors (3439094004).

4515678556 is a wasteful number, since it uses less digits than its factorization.

4515678556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476444 (or 7476442 counting only the distinct ones).

The product of its digits is 5040000, while the sum is 52.

The square root of 4515678556 is about 67198.7987690256. The cubic root of 4515678556 is about 1652.8787890275.

The spelling of 4515678556 in words is "four billion, five hundred fifteen million, six hundred seventy-eight thousand, five hundred fifty-six".