201342040 has 32 divisors (see below), whose sum is σ = 453645360. Its totient is φ = 80425600.

The previous prime is 201342019. The next prime is 201342059. The reversal of 201342040 is 40243102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29775 + ... + 35905.

Almost surely, 2^201342040 is an apocalyptic number.

201342040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201342040 is an abundant number, since it is smaller than the sum of its proper divisors (252303320).

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

201342040 is a wasteful number, since it uses less digits than its factorization.

201342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201342040 is about 14189.5045720420. The cubic root of 201342040 is about 586.1086823313.

Adding to 201342040 its reverse (40243102), we get a palindrome (241585142).

The spelling of 201342040 in words is "two hundred one million, three hundred forty-two thousand, forty".