202040311440340 has 24 divisors (see below), whose sum is σ = 425783893096800. Its totient is φ = 80530555229088.

The previous prime is 202040311440281. The next prime is 202040311440347. The reversal of 202040311440340 is 43044113040202.

202040311440340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202040311440299 and 202040311440308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202040311440347) 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, 17848078390 + ... + 17848089709.

It is an arithmetic number, because the mean of its divisors is an integer number (17740995545700).

Almost surely, 2^{202040311440340} is an apocalyptic number.

202040311440340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202040311440340 is an abundant number, since it is smaller than the sum of its proper divisors (223743581656460).

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

202040311440340 is a wasteful number, since it uses less digits than its factorization.

202040311440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35696168391 (or 35696168389 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202040311440340 its reverse (43044113040202), we get a palindrome (245084424480542).

The spelling of 202040311440340 in words is "two hundred two trillion, forty billion, three hundred eleven million, four hundred forty thousand, three hundred forty".