340340740 has 24 divisors (see below), whose sum is σ = 719107200. Its totient is φ = 135299808.

The previous prime is 340340687. The next prime is 340340747. The reversal of 340340740 is 47043043.

It is not an unprimeable number, because it can be changed into a prime (340340747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48940 + ... + 55459.

It is an arithmetic number, because the mean of its divisors is an integer number (29962800).

Almost surely, 2^340340740 is an apocalyptic number.

It is an amenable number.

340340740 is an abundant number, since it is smaller than the sum of its proper divisors (378766460).

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

340340740 is a wasteful number, since it uses less digits than its factorization.

340340740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104571 (or 104569 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 340340740 is about 18448.3262113396. The cubic root of 340340740 is about 698.1862842724.

Adding to 340340740 its reverse (47043043), we get a palindrome (387383783).

The spelling of 340340740 in words is "three hundred forty million, three hundred forty thousand, seven hundred forty".