340435421072 has 10 divisors (see below), whose sum is σ = 659593628358. Its totient is φ = 170217710528.

The previous prime is 340435421069. The next prime is 340435421093. The reversal of 340435421072 is 270124534043.

It can be written as a sum of positive squares in only one way, i.e., 190948024576 + 149487396496 = 436976^2 + 386636^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10638606893 + ... + 10638606924.

Almost surely, 2^340435421072 is an apocalyptic number.

It is an amenable number.

340435421072 is a deficient number, since it is larger than the sum of its proper divisors (319158207286).

340435421072 is a wasteful number, since it uses less digits than its factorization.

340435421072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277213825 (or 21277213819 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 340435421072 in words is "three hundred forty billion, four hundred thirty-five million, four hundred twenty-one thousand, seventy-two".