8340904290 has 32 divisors (see below), whose sum is σ = 20506421376. Its totient is φ = 2169991040.

The previous prime is 8340904279. The next prime is 8340904321. The reversal of 8340904290 is 924090438.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389382 + ... + 3391841.

It is an arithmetic number, because the mean of its divisors is an integer number (640825668).

Almost surely, 2^8340904290 is an apocalyptic number.

8340904290 is an abundant number, since it is smaller than the sum of its proper divisors (12165517086).

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

8340904290 is a wasteful number, since it uses less digits than its factorization.

8340904290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781274.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 8340904290 is about 91328.5513407500. The cubic root of 8340904290 is about 2028.0144538532.

The spelling of 8340904290 in words is "eight billion, three hundred forty million, nine hundred four thousand, two hundred ninety".