4278016540248 has 128 divisors (see below), whose sum is σ = 11918015792640. Its totient is φ = 1268779904000.

The previous prime is 4278016540247. The next prime is 4278016540253. The reversal of 4278016540248 is 8420456108724.

It is a self number, because there is not a number n which added to its sum of digits gives 4278016540248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278016540247) 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, 1734958 + ... + 3400898.

It is an arithmetic number, because the mean of its divisors is an integer number (93109498380).

Almost surely, 2^{4278016540248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278016540248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5959007896320).

4278016540248 is an abundant number, since it is smaller than the sum of its proper divisors (7639999252392).

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

4278016540248 is a wasteful number, since it uses less digits than its factorization.

4278016540248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666169 (or 1666165 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 4278016540248 in words is "four trillion, two hundred seventy-eight billion, sixteen million, five hundred forty thousand, two hundred forty-eight".