4140423840 has 96 divisors (see below), whose sum is σ = 14905537920. Its totient is φ = 946381824.

The previous prime is 4140423823. The next prime is 4140423841. The reversal of 4140423840 is 483240414.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4140423798 and 4140423807.

It is not an unprimeable number, because it can be changed into a prime (4140423841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612775 + ... + 619494.

It is an arithmetic number, because the mean of its divisors is an integer number (155266020).

Almost surely, 2^4140423840 is an apocalyptic number.

4140423840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4140423840 is an abundant number, since it is smaller than the sum of its proper divisors (10765114080).

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

4140423840 is a wasteful number, since it uses less digits than its factorization.

4140423840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232294 (or 1232286 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 4140423840 is about 64346.1252912714. The cubic root of 4140423840 is about 1605.7635675429.

The spelling of 4140423840 in words is "four billion, one hundred forty million, four hundred twenty-three thousand, eight hundred forty".