344235321400 has 48 divisors (see below), whose sum is σ = 809339828400. Its totient is φ = 136146996480.

The previous prime is 344235321389. The next prime is 344235321403. The reversal of 344235321400 is 4123532443.

It is a happy number.

It is a super-2 number, since 2×344235321400² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344235321403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9651732 + ... + 9687331.

It is an arithmetic number, because the mean of its divisors is an integer number (16861246425).

Almost surely, 2^344235321400 is an apocalyptic number.

It is an amenable number.

344235321400 is an abundant number, since it is smaller than the sum of its proper divisors (465104507000).

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

344235321400 is a wasteful number, since it uses less digits than its factorization.

344235321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19339168 (or 19339159 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 344235321400 its reverse (4123532443), we get a palindrome (348358853843).

The spelling of 344235321400 in words is "three hundred forty-four billion, two hundred thirty-five million, three hundred twenty-one thousand, four hundred".