340021021031344 has 40 divisors (see below), whose sum is σ = 693701658171440. Its totient is φ = 161007373340928.

The previous prime is 340021021031311. The next prime is 340021021031441. The reversal of 340021021031344 is 443130120120043.

It is a happy number.

It is a super-2 number, since 2×340021021031344² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190832499 + ... + 192606034.

It is an arithmetic number, because the mean of its divisors is an integer number (17342541454286).

Almost surely, 2^{340021021031344} is an apocalyptic number.

It is an amenable number.

340021021031344 is an abundant number, since it is smaller than the sum of its proper divisors (353680637140096).

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

340021021031344 is a wasteful number, since it uses less digits than its factorization.

340021021031344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383441477 (or 383441471 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 340021021031344 its reverse (443130120120043), we get a palindrome (783151141151387).

The spelling of 340021021031344 in words is "three hundred forty trillion, twenty-one billion, twenty-one million, thirty-one thousand, three hundred forty-four".