8170477040 has 160 divisors (see below), whose sum is σ = 21122933760. Its totient is φ = 2914329600.

The previous prime is 8170477037. The next prime is 8170477061. The reversal of 8170477040 is 407740718.

It is a super-2 number, since 2×8170477040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8170476985 and 8170477003.

It is a congruent number.

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, 14668442 + ... + 14668998.

It is an arithmetic number, because the mean of its divisors is an integer number (132018336).

Almost surely, 2^8170477040 is an apocalyptic number.

8170477040 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 8170477040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10561466880).

8170477040 is an abundant number, since it is smaller than the sum of its proper divisors (12952456720).

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

8170477040 is a wasteful number, since it uses less digits than its factorization.

8170477040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 8170477040 is about 90390.6911136318. The cubic root of 8170477040 is about 2014.1066867601.

The spelling of 8170477040 in words is "eight billion, one hundred seventy million, four hundred seventy-seven thousand, forty".