340400000 has 192 divisors, whose sum is σ = 908379360. Its totient is φ = 126720000.

The previous prime is 340399981. The next prime is 340400017. The reversal of 340400000 is 4043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9199982 + ... + 9200018.

Almost surely, 2^340400000 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 340400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454189680).

340400000 is an abundant number, since it is smaller than the sum of its proper divisors (567979360).

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

340400000 is an frugal number, since it uses more digits than its factorization.

340400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 340400000 is about 18449.9322491981. The cubic root of 340400000 is about 698.2268045639.

Adding to 340400000 its reverse (4043), we get a palindrome (340404043).

The spelling of 340400000 in words is "three hundred forty million, four hundred thousand".