344312020140 has 48 divisors (see below), whose sum is σ = 1051716718080. Its totient is φ = 83469580480.

The previous prime is 344312020103. The next prime is 344312020147. The reversal of 344312020140 is 41020213443.

It is a self number, because there is not a number n which added to its sum of digits gives 344312020140.

It is not an unprimeable number, because it can be changed into a prime (344312020147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260841780 + ... + 260843099.

It is an arithmetic number, because the mean of its divisors is an integer number (21910764960).

Almost surely, 2^344312020140 is an apocalyptic number.

344312020140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344312020140 is an abundant number, since it is smaller than the sum of its proper divisors (707404697940).

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

344312020140 is a wasteful number, since it uses less digits than its factorization.

344312020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521684902 (or 521684900 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 344312020140 its reverse (41020213443), we get a palindrome (385332233583).

The spelling of 344312020140 in words is "three hundred forty-four billion, three hundred twelve million, twenty thousand, one hundred forty".