4278016540264 has 32 divisors (see below), whose sum is σ = 8111763246600. Its totient is φ = 2114881781760.

The previous prime is 4278016540253. The next prime is 4278016540333. The reversal of 4278016540264 is 4620456108724.

It can be written as a sum of positive squares in 4 ways, for example, as 3027801843364 + 1250214696900 = 1740058^2 + 1118130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17849704 + ... + 18087784.

Almost surely, 2^{4278016540264} is an apocalyptic number.

It is an amenable number.

4278016540264 is a deficient number, since it is larger than the sum of its proper divisors (3833746706336).

4278016540264 is a wasteful number, since it uses less digits than its factorization.

4278016540264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263413 (or 263409 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 4278016540264 in words is "four trillion, two hundred seventy-eight billion, sixteen million, five hundred forty thousand, two hundred sixty-four".