344100440 has 16 divisors (see below), whose sum is σ = 774226080. Its totient is φ = 137640160.

The previous prime is 344100439. The next prime is 344100479. The reversal of 344100440 is 44001443.

It is a super-2 number, since 2×344100440² = 236810225616387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4301216 + ... + 4301295.

It is an arithmetic number, because the mean of its divisors is an integer number (48389130).

Almost surely, 2^344100440 is an apocalyptic number.

It is an amenable number.

344100440 is an abundant number, since it is smaller than the sum of its proper divisors (430125640).

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

344100440 is a wasteful number, since it uses less digits than its factorization.

344100440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8602522 (or 8602518 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 344100440 is about 18549.9444743104. The cubic root of 344100440 is about 700.7477994920.

Adding to 344100440 its reverse (44001443), we get a palindrome (388101883).

The spelling of 344100440 in words is "three hundred forty-four million, one hundred thousand, four hundred forty".