4040240142 has 16 divisors (see below), whose sum is σ = 8505768960. Its totient is φ = 1275865272.

The previous prime is 4040240119. The next prime is 4040240143. The reversal of 4040240142 is 2410420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040240143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17720238 + ... + 17720465.

It is an arithmetic number, because the mean of its divisors is an integer number (531610560).

Almost surely, 2^4040240142 is an apocalyptic number.

4040240142 is an abundant number, since it is smaller than the sum of its proper divisors (4465528818).

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

4040240142 is a wasteful number, since it uses less digits than its factorization.

4040240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35440727.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4040240142 is about 63562.8833675755. The cubic root of 4040240142 is about 1592.7064045085.

Adding to 4040240142 its reverse (2410420404), we get a palindrome (6450660546).

The spelling of 4040240142 in words is "four billion, forty million, two hundred forty thousand, one hundred forty-two".