340143442302 has 16 divisors (see below), whose sum is σ = 680349409920. Its totient is φ = 113370726552.

The previous prime is 340143442297. The next prime is 340143442343. The reversal of 340143442302 is 203244341043.

It is a happy number.

It is a super-2 number, since 2×340143442302² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340143442302.

It is a congruent number.

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, 2534352 + ... + 2665187.

It is an arithmetic number, because the mean of its divisors is an integer number (42521838120).

Almost surely, 2^340143442302 is an apocalyptic number.

340143442302 is an abundant number, since it is smaller than the sum of its proper divisors (340205967618).

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

340143442302 is a wasteful number, since it uses less digits than its factorization.

340143442302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210447.

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

Adding to 340143442302 its reverse (203244341043), we get a palindrome (543387783345).

The spelling of 340143442302 in words is "three hundred forty billion, one hundred forty-three million, four hundred forty-two thousand, three hundred two".