268472395536 has 80 divisors (see below), whose sum is σ = 722877542400. Its totient is φ = 85763134080.

The previous prime is 268472395507. The next prime is 268472395559. The reversal of 268472395536 is 635593274862.

It is a self number, because there is not a number n which added to its sum of digits gives 268472395536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722586 + ... + 1029113.

It is an arithmetic number, because the mean of its divisors is an integer number (9035969280).

Almost surely, 2^268472395536 is an apocalyptic number.

It is an amenable number.

268472395536 is an abundant number, since it is smaller than the sum of its proper divisors (454405146864).

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

268472395536 is a wasteful number, since it uses less digits than its factorization.

268472395536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751844 (or 1751838 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 60.

The spelling of 268472395536 in words is "two hundred sixty-eight billion, four hundred seventy-two million, three hundred ninety-five thousand, five hundred thirty-six".