201244034140 has 24 divisors (see below), whose sum is σ = 424116442512. Its totient is φ = 80211143040.

The previous prime is 201244034107. The next prime is 201244034141. The reversal of 201244034140 is 41430442102.

It is a super-2 number, since 2×201244034140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201244034141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17898654 + ... + 17909893.

It is an arithmetic number, because the mean of its divisors is an integer number (17671518438).

Almost surely, 2^201244034140 is an apocalyptic number.

201244034140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201244034140 is an abundant number, since it is smaller than the sum of its proper divisors (222872408372).

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

201244034140 is a wasteful number, since it uses less digits than its factorization.

201244034140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808837 (or 35808835 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201244034140 its reverse (41430442102), we get a palindrome (242674476242).

The spelling of 201244034140 in words is "two hundred one billion, two hundred forty-four million, thirty-four thousand, one hundred forty".