268420930072 has 8 divisors (see below), whose sum is σ = 503289243900. Its totient is φ = 134210465032.

The previous prime is 268420930069. The next prime is 268420930091. The reversal of 268420930072 is 270039024862.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16776308122 + ... + 16776308137.

Almost surely, 2^268420930072 is an apocalyptic number.

It is an amenable number.

268420930072 is a deficient number, since it is larger than the sum of its proper divisors (234868313828).

268420930072 is a wasteful number, since it uses less digits than its factorization.

268420930072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33552616265 (or 33552616261 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 268420930072 in words is "two hundred sixty-eight billion, four hundred twenty million, nine hundred thirty thousand, seventy-two".