268040516 has 6 divisors (see below), whose sum is σ = 469070910. Its totient is φ = 134020256.

The previous prime is 268040501. The next prime is 268040573. The reversal of 268040516 is 615040862.

It can be written as a sum of positive squares in only one way, i.e., 265820416 + 2220100 = 16304^2 + 1490^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33505061 + ... + 33505068.

It is an arithmetic number, because the mean of its divisors is an integer number (78178485).

Almost surely, 2^268040516 is an apocalyptic number.

It is an amenable number.

268040516 is a deficient number, since it is larger than the sum of its proper divisors (201030394).

268040516 is a wasteful number, since it uses less digits than its factorization.

268040516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67010133 (or 67010131 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 268040516 is about 16371.9429512810. The cubic root of 268040516 is about 644.7630610198.

The spelling of 268040516 in words is "two hundred sixty-eight million, forty thousand, five hundred sixteen".