8306207240 has 16 divisors (see below), whose sum is σ = 18688966380. Its totient is φ = 3322482880.

The previous prime is 8306207233. The next prime is 8306207251. The reversal of 8306207240 is 427026038.

It can be written as a sum of positive squares in 2 ways, for example, as 8000586916 + 305620324 = 89446^2 + 17482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8306207197 and 8306207206.

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, 103827551 + ... + 103827630.

Almost surely, 2^8306207240 is an apocalyptic number.

It is an amenable number.

8306207240 is an abundant number, since it is smaller than the sum of its proper divisors (10382759140).

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

8306207240 is a wasteful number, since it uses less digits than its factorization.

8306207240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207655192 (or 207655188 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 8306207240 is about 91138.3960798082. The cubic root of 8306207240 is about 2025.1984555794.

The spelling of 8306207240 in words is "eight billion, three hundred six million, two hundred seven thousand, two hundred forty".