343144322040 has 128 divisors (see below), whose sum is σ = 1173833156160. Its totient is φ = 79497682944.

The previous prime is 343144322029. The next prime is 343144322047. The reversal of 343144322040 is 40223441343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 343144321989 and 343144322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343144322047) 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, 6443019 + ... + 6496058.

Almost surely, 2^343144322040 is an apocalyptic number.

343144322040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343144322040 is an abundant number, since it is smaller than the sum of its proper divisors (830688834120).

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

343144322040 is a wasteful number, since it uses less digits than its factorization.

343144322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12939121 (or 12939117 counting only the distinct ones).

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

Adding to 343144322040 its reverse (40223441343), we get a palindrome (383367763383).

The spelling of 343144322040 in words is "three hundred forty-three billion, one hundred forty-four million, three hundred twenty-two thousand, forty".