4040442129 has 16 divisors (see below), whose sum is σ = 5540681664. Its totient is φ = 2617440000.

The previous prime is 4040442103. The next prime is 4040442137. The reversal of 4040442129 is 9212440404.

It is not a de Polignac number, because 4040442129 - 2⁵ = 4040442097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4040442096 and 4040442105.

It is not an unprimeable number, because it can be changed into a prime (4040442529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34564 + ... + 96309.

It is an arithmetic number, because the mean of its divisors is an integer number (346292604).

Almost surely, 2^4040442129 is an apocalyptic number.

It is an amenable number.

4040442129 is a deficient number, since it is larger than the sum of its proper divisors (1500239535).

4040442129 is a wasteful number, since it uses less digits than its factorization.

4040442129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131168.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4040442129 is about 63564.4722230902. The cubic root of 4040442129 is about 1592.7329458869.

The spelling of 4040442129 in words is "four billion, forty million, four hundred forty-two thousand, one hundred twenty-nine".