340403740674 has 16 divisors (see below), whose sum is σ = 710407806912. Its totient is φ = 108534525968.

The previous prime is 340403740627. The next prime is 340403740681. The reversal of 340403740674 is 476047304043.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233346749 + ... + 1233347024.

It is an arithmetic number, because the mean of its divisors is an integer number (44400487932).

Almost surely, 2^340403740674 is an apocalyptic number.

340403740674 is an abundant number, since it is smaller than the sum of its proper divisors (370004066238).

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

340403740674 is a wasteful number, since it uses less digits than its factorization.

340403740674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466693801.

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 340403740674 in words is "three hundred forty billion, four hundred three million, seven hundred forty thousand, six hundred seventy-four".