201041040 has 80 divisors (see below), whose sum is σ = 638459136. Its totient is φ = 52300800.

The previous prime is 201040991. The next prime is 201041041. The reversal of 201041040 is 40140102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (201041041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376 + ... + 20055.

Almost surely, 2^201041040 is an apocalyptic number.

201041040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201041040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319229568).

201041040 is an abundant number, since it is smaller than the sum of its proper divisors (437418096).

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

201041040 is a wasteful number, since it uses less digits than its factorization.

201041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20488 (or 20482 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201041040 is about 14178.8941740885. The cubic root of 201041040 is about 585.8164653325.

Adding to 201041040 its reverse (40140102), we get a palindrome (241181142).

The spelling of 201041040 in words is "two hundred one million, forty-one thousand, forty".