201341131440 has 80 divisors (see below), whose sum is σ = 625647456000. Its totient is φ = 53562800896.

The previous prime is 201341131427. The next prime is 201341131457. The reversal of 201341131440 is 44131143102.

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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 201341131440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900540 + ... + 1101659.

It is an arithmetic number, because the mean of its divisors is an integer number (7820593200).

Almost surely, 2^201341131440 is an apocalyptic number.

201341131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201341131440 is an abundant number, since it is smaller than the sum of its proper divisors (424306324560).

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

201341131440 is a wasteful number, since it uses less digits than its factorization.

201341131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002634 (or 2002628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 201341131440 its reverse (44131143102), we get a palindrome (245472274542).

The spelling of 201341131440 in words is "two hundred one billion, three hundred forty-one million, one hundred thirty-one thousand, four hundred forty".