4140040518 has 64 divisors (see below), whose sum is σ = 9456733440. Its totient is φ = 1341748800.

The previous prime is 4140040427. The next prime is 4140040571. The reversal of 4140040518 is 8150400414.

It is a happy number.

4140040518 is a `hidden beast` number, since 4 + 140 + 0 + 4 + 0 + 518 = 666.

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 = 4140040491 and 4140040500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676653 + ... + 682743.

It is an arithmetic number, because the mean of its divisors is an integer number (147761460).

Almost surely, 2^4140040518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4140040518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4728366720).

4140040518 is an abundant number, since it is smaller than the sum of its proper divisors (5316692922).

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

4140040518 is a wasteful number, since it uses less digits than its factorization.

4140040518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450 (or 6444 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 4140040518 is about 64343.1466280598. The cubic root of 4140040518 is about 1605.7140119481.

It can be divided in two parts, 41400 and 40518, that added together give a palindrome (81918).

The spelling of 4140040518 in words is "four billion, one hundred forty million, forty thousand, five hundred eighteen".