344242131433240 has 32 divisors (see below), whose sum is σ = 782529793627680. Its totient is φ = 136277297390592.

The previous prime is 344242131433231. The next prime is 344242131433247. The reversal of 344242131433240 is 42334131242443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 344242131433193 and 344242131433202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344242131433247) 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, 44361095532 + ... + 44361103291.

It is an arithmetic number, because the mean of its divisors is an integer number (24454056050865).

Almost surely, 2^{344242131433240} is an apocalyptic number.

It is an amenable number.

344242131433240 is an abundant number, since it is smaller than the sum of its proper divisors (438287662194440).

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

344242131433240 is a wasteful number, since it uses less digits than its factorization.

344242131433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88722198931 (or 88722198927 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 344242131433240 its reverse (42334131242443), we get a palindrome (386576262675683).

The spelling of 344242131433240 in words is "three hundred forty-four trillion, two hundred forty-two billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred forty".