84418140304 has 45 divisors (see below), whose sum is σ = 172666816083. Its totient is φ = 39977080416.

The previous prime is 84418140299. The next prime is 84418140311. The reversal of 84418140304 is 40304181448.

It is a happy number.

The square root of 84418140304 is 290548.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22079737 + ... + 22083559.

Almost surely, 2^84418140304 is an apocalyptic number.

84418140304 is the 290548-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84418140304

84418140304 is an abundant number, since it is smaller than the sum of its proper divisors (88248675779).

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

84418140304 is an frugal number, since it uses more digits than its factorization.

84418140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 84418140304 in words is "eighty-four billion, four hundred eighteen million, one hundred forty thousand, three hundred four".