8240331612 has 12 divisors (see below), whose sum is σ = 19227440456. Its totient is φ = 2746777200.

The previous prime is 8240331599. The next prime is 8240331623. The reversal of 8240331612 is 2161330428.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 8240331612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343347139 + ... + 343347162.

Almost surely, 2^8240331612 is an apocalyptic number.

It is an amenable number.

8240331612 is an abundant number, since it is smaller than the sum of its proper divisors (10987108844).

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

8240331612 is a wasteful number, since it uses less digits than its factorization.

8240331612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686694308 (or 686694306 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8240331612 is about 90776.2722962339. The cubic root of 8240331612 is about 2019.8303628417.

The spelling of 8240331612 in words is "eight billion, two hundred forty million, three hundred thirty-one thousand, six hundred twelve".