268534542 has 16 divisors (see below), whose sum is σ = 541170432. Its totient is φ = 88827960.

The previous prime is 268534537. The next prime is 268534549. The reversal of 268534542 is 245435862.

It is a super-2 number, since 2×268534542² = 144221600494299528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268534542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268534549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170038 + ... + 171609.

It is an arithmetic number, because the mean of its divisors is an integer number (33823152).

Almost surely, 2^268534542 is an apocalyptic number.

268534542 is an abundant number, since it is smaller than the sum of its proper divisors (272635890).

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

268534542 is a wasteful number, since it uses less digits than its factorization.

268534542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341783.

The product of its digits is 230400, while the sum is 39.

The square root of 268534542 is about 16387.0235857522. The cubic root of 268534542 is about 645.1589392582.

It can be divided in two parts, 26853454 and 2, that added together give a triangular number (26853456 = T₇₃₂₈).

The spelling of 268534542 in words is "two hundred sixty-eight million, five hundred thirty-four thousand, five hundred forty-two".