201240303043440 has 80 divisors (see below), whose sum is σ = 623847157360416. Its totient is φ = 53663890022400.

The previous prime is 201240303043391. The next prime is 201240303043441. The reversal of 201240303043440 is 44340303042102.

It is a happy number.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 201240303043398 and 201240303043407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201240303043441) 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, 74132520 + ... + 76799160.

Almost surely, 2^{201240303043440} is an apocalyptic number.

201240303043440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201240303043440 is an abundant number, since it is smaller than the sum of its proper divisors (422606854316976).

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

201240303043440 is a wasteful number, since it uses less digits than its factorization.

201240303043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981098 (or 2981092 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 201240303043440 its reverse (44340303042102), we get a palindrome (245580606085542).

The spelling of 201240303043440 in words is "two hundred one trillion, two hundred forty billion, three hundred three million, forty-three thousand, four hundred forty".