8404064892420 has 24 divisors (see below), whose sum is σ = 23531381698944. Its totient is φ = 2241083971296.

The previous prime is 8404064892337. The next prime is 8404064892479. The reversal of 8404064892420 is 242984604048.

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, 70033874044 + ... + 70033874163.

It is an arithmetic number, because the mean of its divisors is an integer number (980474237456).

Almost surely, 2^{8404064892420} is an apocalyptic number.

It is an amenable number.

8404064892420 is an abundant number, since it is smaller than the sum of its proper divisors (15127316806524).

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

8404064892420 is a wasteful number, since it uses less digits than its factorization.

8404064892420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140067748219 (or 140067748217 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 8404064892420 in words is "eight trillion, four hundred four billion, sixty-four million, eight hundred ninety-two thousand, four hundred twenty".