34020870842 has 16 divisors (see below), whose sum is σ = 58401732480. Its totient is φ = 14560313328.

The previous prime is 34020870839. The next prime is 34020870853. The reversal of 34020870842 is 24807802043.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34020870796 and 34020870805.

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, 1661117 + ... + 1681472.

It is an arithmetic number, because the mean of its divisors is an integer number (3650108280).

Almost surely, 2^34020870842 is an apocalyptic number.

34020870842 is a deficient number, since it is larger than the sum of its proper divisors (24380861638).

34020870842 is a wasteful number, since it uses less digits than its factorization.

34020870842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343325.

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 34020870842 in words is "thirty-four billion, twenty million, eight hundred seventy thousand, eight hundred forty-two".