8215436488 has 64 divisors (see below), whose sum is σ = 18106300800. Its totient is φ = 3420817920.

The previous prime is 8215436417. The next prime is 8215436491. The reversal of 8215436488 is 8846345128.

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, 1677948 + ... + 1682836.

It is an arithmetic number, because the mean of its divisors is an integer number (282910950).

Almost surely, 2^8215436488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8215436488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9053150400).

8215436488 is an abundant number, since it is smaller than the sum of its proper divisors (9890864312).

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

8215436488 is a wasteful number, since it uses less digits than its factorization.

8215436488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750 (or 5746 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 8215436488 is about 90639.0450523393. The cubic root of 8215436488 is about 2017.7942534151.

The spelling of 8215436488 in words is "eight billion, two hundred fifteen million, four hundred thirty-six thousand, four hundred eighty-eight".