8420045334 has 16 divisors (see below), whose sum is σ = 16947354288. Its totient is φ = 2788804512.

The previous prime is 8420045329. The next prime is 8420045357. The reversal of 8420045334 is 4335400248.

It is a junction number, because it is equal to n+sod(n) for n = 8420045295 and 8420045304.

It is a congruent 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, 4468297 + ... + 4470180.

It is an arithmetic number, because the mean of its divisors is an integer number (1059209643).

Almost surely, 2^8420045334 is an apocalyptic number.

8420045334 is an abundant number, since it is smaller than the sum of its proper divisors (8527308954).

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

8420045334 is a wasteful number, since it uses less digits than its factorization.

8420045334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938639.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 8420045334 is about 91760.8049986485. The cubic root of 8420045334 is about 2034.4084135824.

The spelling of 8420045334 in words is "eight billion, four hundred twenty million, forty-five thousand, three hundred thirty-four".