344030402140 has 12 divisors (see below), whose sum is σ = 722463844536. Its totient is φ = 137612160848.

The previous prime is 344030402137. The next prime is 344030402159. The reversal of 344030402140 is 41204030443.

It is a super-2 number, since 2×344030402140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600760034 + ... + 8600760073.

It is an arithmetic number, because the mean of its divisors is an integer number (60205320378).

Almost surely, 2^344030402140 is an apocalyptic number.

It is an amenable number.

344030402140 is an abundant number, since it is smaller than the sum of its proper divisors (378433442396).

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

344030402140 is a wasteful number, since it uses less digits than its factorization.

344030402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201520116 (or 17201520114 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 344030402140 its reverse (41204030443), we get a palindrome (385234432583).

The spelling of 344030402140 in words is "three hundred forty-four billion, thirty million, four hundred two thousand, one hundred forty".