8215202499504 has 640 divisors, whose sum is σ = 28820576698368. Its totient is φ = 1947219886080.

The previous prime is 8215202499421. The next prime is 8215202499523. The reversal of 8215202499504 is 4059942025128.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 4072979904 + ... + 4072981920.

Almost surely, 2^{8215202499504} is an apocalyptic number.

8215202499504 is a gapful number since it is divisible by the number (84) 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 8215202499504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14410288349184).

8215202499504 is an abundant number, since it is smaller than the sum of its proper divisors (20605374198864).

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

8215202499504 is a wasteful number, since it uses less digits than its factorization.

8215202499504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 8215202499504 in words is "eight trillion, two hundred fifteen billion, two hundred two million, four hundred ninety-nine thousand, five hundred four".