340440740734 has 8 divisors (see below), whose sum is σ = 515180236320. Its totient is φ = 168713995296.

The previous prime is 340440740587. The next prime is 340440740753. The reversal of 340440740734 is 437047044043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753187254 + ... + 753187705.

It is an arithmetic number, because the mean of its divisors is an integer number (64397529540).

Almost surely, 2^340440740734 is an apocalyptic number.

340440740734 is a deficient number, since it is larger than the sum of its proper divisors (174739495586).

340440740734 is a wasteful number, since it uses less digits than its factorization.

340440740734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506375074.

The product of its (nonzero) digits is 451584, while the sum is 40.

Adding to 340440740734 its reverse (437047044043), we get a palindrome (777487784777).

The spelling of 340440740734 in words is "three hundred forty billion, four hundred forty million, seven hundred forty thousand, seven hundred thirty-four".