4003012140 has 24 divisors (see below), whose sum is σ = 11208434160. Its totient is φ = 1067469888.

The previous prime is 4003012099. The next prime is 4003012141. The reversal of 4003012140 is 412103004.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (4003012141) 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 7 ways as a sum of consecutive naturals, for example, 33358375 + ... + 33358494.

It is an arithmetic number, because the mean of its divisors is an integer number (467018090).

Almost surely, 2^4003012140 is an apocalyptic number.

It is an amenable number.

4003012140 is an abundant number, since it is smaller than the sum of its proper divisors (7205422020).

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

4003012140 is a wasteful number, since it uses less digits than its factorization.

4003012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66716881 (or 66716879 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4003012140 is about 63269.3617796165. The cubic root of 4003012140 is about 1587.7994081766.

Adding to 4003012140 its reverse (412103004), we get a palindrome (4415115144).

The spelling of 4003012140 in words is "four billion, three million, twelve thousand, one hundred forty".