340744400 has 60 divisors (see below), whose sum is σ = 823384800. Its totient is φ = 135507840.

The previous prime is 340744361. The next prime is 340744409. The reversal of 340744400 is 4447043.

It is a super-2 number, since 2×340744400² = 232213492262720000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340744400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340744409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69221 + ... + 73979.

It is an arithmetic number, because the mean of its divisors is an integer number (13723080).

Almost surely, 2^340744400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340744400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411692400).

340744400 is an abundant number, since it is smaller than the sum of its proper divisors (482640400).

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

340744400 is a wasteful number, since it uses less digits than its factorization.

340744400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 340744400 is about 18459.2632572375. The cubic root of 340744400 is about 698.4622023888.

The spelling of 340744400 in words is "three hundred forty million, seven hundred forty-four thousand, four hundred".