340400244 has 24 divisors (see below), whose sum is σ = 794915968. Its totient is φ = 113374080.

The previous prime is 340400227. The next prime is 340400261. The reversal of 340400244 is 442004043.

It is an interprime number because it is at equal distance from previous prime (340400227) and next prime (340400261).

It is a super-2 number, since 2×340400244² = 231744652230519072, 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 340400244.

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 7 ways as a sum of consecutive naturals, for example, 4629 + ... + 26499.

Almost surely, 2^340400244 is an apocalyptic number.

It is an amenable number.

340400244 is an abundant number, since it is smaller than the sum of its proper divisors (454515724).

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

340400244 is a wasteful number, since it uses less digits than its factorization.

340400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23175 (or 23173 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 340400244 is about 18449.9388616873. The cubic root of 340400244 is about 698.2269713944.

Adding to 340400244 its reverse (442004043), we get a palindrome (782404287).

The spelling of 340400244 in words is "three hundred forty million, four hundred thousand, two hundred forty-four".