4278006516 has 48 divisors (see below), whose sum is σ = 11416204800. Its totient is φ = 1221410400.

The previous prime is 4278006511. The next prime is 4278006547. The reversal of 4278006516 is 6156008724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278006511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104335 + ... + 139433.

It is an arithmetic number, because the mean of its divisors is an integer number (237837600).

Almost surely, 2^4278006516 is an apocalyptic number.

It is an amenable number.

4278006516 is an abundant number, since it is smaller than the sum of its proper divisors (7138198284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4278006516 is a wasteful number, since it uses less digits than its factorization.

4278006516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36564 (or 36562 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 4278006516 is about 65406.4715146751. The cubic root of 4278006516 is about 1623.3561621716.

The spelling of 4278006516 in words is "four billion, two hundred seventy-eight million, six thousand, five hundred sixteen".