8662961040 has 160 divisors (see below), whose sum is σ = 28619882496. Its totient is φ = 2162603520.

The previous prime is 8662961033. The next prime is 8662961051. The reversal of 8662961040 is 401692668.

It is a junction number, because it is equal to n+sod(n) for n = 8662960983 and 8662961001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242745 + ... + 276135.

Almost surely, 2^8662961040 is an apocalyptic number.

8662961040 is a gapful number since it is divisible by the number (80) 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 8662961040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14309941248).

8662961040 is an abundant number, since it is smaller than the sum of its proper divisors (19956921456).

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

8662961040 is a wasteful number, since it uses less digits than its factorization.

8662961040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477 (or 33471 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 8662961040 is about 93075.0290894395. The cubic root of 8662961040 is about 2053.7872515994.

The spelling of 8662961040 in words is "eight billion, six hundred sixty-two million, nine hundred sixty-one thousand, forty".