344103021438 has 32 divisors (see below), whose sum is σ = 755109965952. Its totient is φ = 103670901600.

The previous prime is 344103021401. The next prime is 344103021439. The reversal of 344103021438 is 834120301443.

344103021438 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 344103021399 and 344103021408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344103021439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15057028 + ... + 15079863.

It is an arithmetic number, because the mean of its divisors is an integer number (23597186436).

Almost surely, 2^344103021438 is an apocalyptic number.

344103021438 is an abundant number, since it is smaller than the sum of its proper divisors (411006944514).

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

344103021438 is a wasteful number, since it uses less digits than its factorization.

344103021438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30137080.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 344103021438 in words is "three hundred forty-four billion, one hundred three million, twenty-one thousand, four hundred thirty-eight".