8404648842 has 16 divisors (see below), whose sum is σ = 16825334400. Its totient is φ = 2798876832.

The previous prime is 8404648789. The next prime is 8404648859. The reversal of 8404648842 is 2488464048.

It is a junction number, because it is equal to n+sod(n) for n = 8404648791 and 8404648800.

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, 661378 + ... + 673965.

It is an arithmetic number, because the mean of its divisors is an integer number (1051583400).

Almost surely, 2^8404648842 is an apocalyptic number.

8404648842 is an abundant number, since it is smaller than the sum of its proper divisors (8420685558).

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

8404648842 is a wasteful number, since it uses less digits than its factorization.

8404648842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336397.

The product of its (nonzero) digits is 1572864, while the sum is 48.

The square root of 8404648842 is about 91676.8719034414. The cubic root of 8404648842 is about 2033.1676497146.

The spelling of 8404648842 in words is "eight billion, four hundred four million, six hundred forty-eight thousand, eight hundred forty-two".