201040992 has 72 divisors (see below), whose sum is σ = 591449040. Its totient is φ = 64700160.

The previous prime is 201040991. The next prime is 201041041. The reversal of 201040992 is 299040102.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201040991) 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, 3684 + ... + 20387.

It is an arithmetic number, because the mean of its divisors is an integer number (8214570).

Almost surely, 2^201040992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201040992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295724520).

201040992 is an abundant number, since it is smaller than the sum of its proper divisors (390408048).

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

201040992 is a wasteful number, since it uses less digits than its factorization.

201040992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24116 (or 24105 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 201040992 is about 14178.8924814317. The cubic root of 201040992 is about 585.8164187099.

The spelling of 201040992 in words is "two hundred one million, forty thousand, nine hundred ninety-two".