8214028140520 has 64 divisors (see below), whose sum is σ = 18571044052800. Its totient is φ = 3269706746880.

The previous prime is 8214028140499. The next prime is 8214028140541. The reversal of 8214028140520 is 250418204128.

It is an interprime number because it is at equal distance from previous prime (8214028140499) and next prime (8214028140541).

It is a self number, because there is not a number n which added to its sum of digits gives 8214028140520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93277071 + ... + 93365089.

It is an arithmetic number, because the mean of its divisors is an integer number (290172563325).

Almost surely, 2^{8214028140520} is an apocalyptic number.

It is an amenable number.

8214028140520 is an abundant number, since it is smaller than the sum of its proper divisors (10357015912280).

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

8214028140520 is a wasteful number, since it uses less digits than its factorization.

8214028140520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99298 (or 99294 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 8214028140520 in words is "eight trillion, two hundred fourteen billion, twenty-eight million, one hundred forty thousand, five hundred twenty".