4142003840 has 128 divisors (see below), whose sum is σ = 10713427200. Its totient is φ = 1522225152.

The previous prime is 4142003797. The next prime is 4142003843. The reversal of 4142003840 is 483002414.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (4142003843) 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, 1987439 + ... + 1989521.

It is an arithmetic number, because the mean of its divisors is an integer number (83698650).

Almost surely, 2^4142003840 is an apocalyptic number.

4142003840 is a gapful number since it is divisible by the number (40) 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 4142003840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356713600).

4142003840 is an abundant number, since it is smaller than the sum of its proper divisors (6571423360).

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

4142003840 is a wasteful number, since it uses less digits than its factorization.

4142003840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4142003840 is about 64358.4014717581. The cubic root of 4142003840 is about 1605.9677965366.

The spelling of 4142003840 in words is "four billion, one hundred forty-two million, three thousand, eight hundred forty".