340040440 has 16 divisors (see below), whose sum is σ = 765091080. Its totient is φ = 136016160.

The previous prime is 340040419. The next prime is 340040453. The reversal of 340040440 is 44040043.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4250466 + ... + 4250545.

Almost surely, 2^340040440 is an apocalyptic number.

It is an amenable number.

340040440 is an abundant number, since it is smaller than the sum of its proper divisors (425050640).

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

340040440 is a wasteful number, since it uses less digits than its factorization.

340040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501022 (or 8501018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 340040440 is about 18440.1854654448. The cubic root of 340040440 is about 697.9808753856.

Adding to 340040440 its reverse (44040043), we get a palindrome (384080483).

The spelling of 340040440 in words is "three hundred forty million, forty thousand, four hundred forty".