8608217940 has 72 divisors (see below), whose sum is σ = 29841826560. Its totient is φ = 1967592384.

The previous prime is 8608217911. The next prime is 8608217951. The reversal of 8608217940 is 497128068.

It is a super-2 number, since 2×8608217940² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3414700 + ... + 3417219.

Almost surely, 2^8608217940 is an apocalyptic number.

It is an amenable number.

8608217940 is an abundant number, since it is smaller than the sum of its proper divisors (21233608620).

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

8608217940 is a wasteful number, since it uses less digits than its factorization.

8608217940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831941 (or 6831936 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 8608217940 is about 92780.4825380856. The cubic root of 8608217940 is about 2049.4520002615.

The spelling of 8608217940 in words is "eight billion, six hundred eight million, two hundred seventeen thousand, nine hundred forty".