201424334144 has 28 divisors (see below), whose sum is σ = 436037906688. Its totient is φ = 91556515200.

The previous prime is 201424334141. The next prime is 201424334201. The reversal of 201424334144 is 441433424102.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 201424334144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201424334141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143056352 + ... + 143057759.

Almost surely, 2^201424334144 is an apocalyptic number.

It is an amenable number.

201424334144 is an abundant number, since it is smaller than the sum of its proper divisors (234613572544).

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

201424334144 is a wasteful number, since it uses less digits than its factorization.

201424334144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286114134 (or 286114124 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 201424334144 its reverse (441433424102), we get a palindrome (642857758246).

The spelling of 201424334144 in words is "two hundred one billion, four hundred twenty-four million, three hundred thirty-four thousand, one hundred forty-four".