8300240640 has 144 divisors (see below), whose sum is σ = 29454448800. Its totient is φ = 2213388288.

The previous prime is 8300240639. The next prime is 8300240647. The reversal of 8300240640 is 460420038.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8300240647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85525 + ... + 154644.

Almost surely, 2^8300240640 is an apocalyptic number.

8300240640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8300240640 is an abundant number, since it is smaller than the sum of its proper divisors (21154208160).

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

8300240640 is a wasteful number, since it uses less digits than its factorization.

8300240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240199 (or 240179 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 8300240640 is about 91105.6564654468. The cubic root of 8300240640 is about 2024.7134189781.

Adding to 8300240640 its reverse (460420038), we get a palindrome (8760660678).

The spelling of 8300240640 in words is "eight billion, three hundred million, two hundred forty thousand, six hundred forty".