8250280802640 has 240 divisors, whose sum is σ = 28386406653696. Its totient is φ = 2146155264000.

The previous prime is 8250280802549. The next prime is 8250280802713. The reversal of 8250280802640 is 462080820528.

8250280802640 is a `hidden beast` number, since 8 + 2 + 502 + 8 + 0 + 80 + 2 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429535917 + ... + 429555123.

Almost surely, 2^{8250280802640} is an apocalyptic number.

8250280802640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8250280802640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14193203326848).

8250280802640 is an abundant number, since it is smaller than the sum of its proper divisors (20136125851056).

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

8250280802640 is a wasteful number, since it uses less digits than its factorization.

8250280802640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33818 (or 33809 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 8250280802640 in words is "eight trillion, two hundred fifty billion, two hundred eighty million, eight hundred two thousand, six hundred forty".