4040144142 has 16 divisors (see below), whose sum is σ = 8171079120. Its totient is φ = 1331582912.

The previous prime is 4040144123. The next prime is 4040144177. The reversal of 4040144142 is 2414410404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782373 + ... + 3783440.

It is an arithmetic number, because the mean of its divisors is an integer number (510692445).

Almost surely, 2^4040144142 is an apocalyptic number.

4040144142 is an abundant number, since it is smaller than the sum of its proper divisors (4130934978).

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

4040144142 is a wasteful number, since it uses less digits than its factorization.

4040144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565907.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4040144142 is about 63562.1282054023. The cubic root of 4040144142 is about 1592.6937896621.

Adding to 4040144142 its reverse (2414410404), we get a palindrome (6454554546).

It can be divided in two parts, 404014 and 4142, that added together give a triangular number (408156 = T₉₀₃).

The spelling of 4040144142 in words is "four billion, forty million, one hundred forty-four thousand, one hundred forty-two".