2817140040 has 1024 divisors, whose sum is σ = 12410496000. Its totient is φ = 557383680.

The previous prime is 2817139999. The next prime is 2817140041. The reversal of 2817140040 is 400417182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2817139986 and 2817140013.

It is not an unprimeable number, because it can be changed into a prime (2817140041) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 76138902 + ... + 76138938.

It is an arithmetic number, because the mean of its divisors is an integer number (12119625).

Almost surely, 2^2817140040 is an apocalyptic number.

2817140040 is a gapful number since it is divisible by the number (20) 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 2817140040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6205248000).

2817140040 is an abundant number, since it is smaller than the sum of its proper divisors (9593355960).

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

2817140040 is a wasteful number, since it uses less digits than its factorization.

2817140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2817140040 is about 53076.7372772668. The cubic root of 2817140040 is about 1412.3298736810.

The spelling of 2817140040 in words is "two billion, eight hundred seventeen million, one hundred forty thousand, forty".