340003212420340 has 96 divisors (see below), whose sum is σ = 858997885777920. Its totient is φ = 110431682004096.

The previous prime is 340003212420271. The next prime is 340003212420341. The reversal of 340003212420340 is 43024212300043.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 340003212420299 and 340003212420308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340003212420341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50914449 + ... + 57203911.

It is an arithmetic number, because the mean of its divisors is an integer number (8947894643520).

Almost surely, 2^{340003212420340} is an apocalyptic number.

It is an amenable number.

340003212420340 is an abundant number, since it is smaller than the sum of its proper divisors (518994673357580).

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

340003212420340 is a wasteful number, since it uses less digits than its factorization.

340003212420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309821 (or 6309819 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 340003212420340 its reverse (43024212300043), we get a palindrome (383027424720383).

The spelling of 340003212420340 in words is "three hundred forty trillion, three billion, two hundred twelve million, four hundred twenty thousand, three hundred forty".