340040412 has 36 divisors (see below), whose sum is σ = 860224456. Its totient is φ = 113257440.

The previous prime is 340040369. The next prime is 340040419. The reversal of 340040412 is 214040043.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340040419) 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, 55443 + ... + 61269.

Almost surely, 2^340040412 is an apocalyptic number.

It is an amenable number.

340040412 is an abundant number, since it is smaller than the sum of its proper divisors (520184044).

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

340040412 is a wasteful number, since it uses less digits than its factorization.

340040412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458 (or 7453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 340040412 is about 18440.1847062333. The cubic root of 340040412 is about 697.9808562276.

Adding to 340040412 its reverse (214040043), we get a palindrome (554080455).

The spelling of 340040412 in words is "three hundred forty million, forty thousand, four hundred twelve".