201354872868 has 72 divisors (see below), whose sum is σ = 530484427200. Its totient is φ = 66780948960.

The previous prime is 201354872837. The next prime is 201354872869. The reversal of 201354872868 is 868278453102.

201354872868 is a `hidden beast` number, since 2 + 0 + 1 + 354 + 8 + 7 + 286 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (201354872869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327063 + ... + 713918.

Almost surely, 2^201354872868 is an apocalyptic number.

It is an amenable number.

201354872868 is an abundant number, since it is smaller than the sum of its proper divisors (329129554332).

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

201354872868 is a wasteful number, since it uses less digits than its factorization.

201354872868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041199 (or 1041185 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 201354872868 in words is "two hundred one billion, three hundred fifty-four million, eight hundred seventy-two thousand, eight hundred sixty-eight".