8632069520 has 20 divisors (see below), whose sum is σ = 20069561820. Its totient is φ = 3452827776.

The previous prime is 8632069469. The next prime is 8632069573. The reversal of 8632069520 is 259602368.

It can be written as a sum of positive squares in 2 ways, for example, as 3070489744 + 5561579776 = 55412^2 + 74576^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×8632069520² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53950355 + ... + 53950514.

It is an arithmetic number, because the mean of its divisors is an integer number (1003478091).

Almost surely, 2^8632069520 is an apocalyptic number.

8632069520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8632069520 is an abundant number, since it is smaller than the sum of its proper divisors (11437492300).

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

8632069520 is a wasteful number, since it uses less digits than its factorization.

8632069520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107900882 (or 107900876 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 8632069520 is about 92908.9313252499. The cubic root of 8632069520 is about 2051.3431229906.

The spelling of 8632069520 in words is "eight billion, six hundred thirty-two million, sixty-nine thousand, five hundred twenty".