268620544570 has 24 divisors (see below), whose sum is σ = 562458529044. Its totient is φ = 92098472256.

The previous prime is 268620544541. The next prime is 268620544579. The reversal of 268620544570 is 75445026862.

It can be written as a sum of positive squares in 2 ways, for example, as 266030039961 + 2590504609 = 515781^2 + 50897^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (268620544579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274102107 + ... + 274103086.

Almost surely, 2^268620544570 is an apocalyptic number.

268620544570 is an abundant number, since it is smaller than the sum of its proper divisors (293837984474).

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

268620544570 is a wasteful number, since it uses less digits than its factorization.

268620544570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548205214 (or 548205207 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 268620544570 in words is "two hundred sixty-eight billion, six hundred twenty million, five hundred forty-four thousand, five hundred seventy".