8015620536 has 192 divisors, whose sum is σ = 27111801600. Its totient is φ = 2078438400.

The previous prime is 8015620531. The next prime is 8015620549. The reversal of 8015620536 is 6350265108.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8015620536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8015620531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5382480 + ... + 5383968.

It is an arithmetic number, because the mean of its divisors is an integer number (141207300).

Almost surely, 2^8015620536 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 8015620536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13555900800).

8015620536 is an abundant number, since it is smaller than the sum of its proper divisors (19096181064).

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

8015620536 is a wasteful number, since it uses less digits than its factorization.

8015620536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 8015620536 is about 89529.9979671618. The cubic root of 8015620536 is about 2001.3008650250.

The spelling of 8015620536 in words is "eight billion, fifteen million, six hundred twenty thousand, five hundred thirty-six".