4020444141 has 16 divisors (see below), whose sum is σ = 6149174400. Its totient is φ = 2288852928.

The previous prime is 4020444119. The next prime is 4020444149. The reversal of 4020444141 is 1414440204.

It is a happy number.

It is not a de Polignac number, because 4020444141 - 2¹⁰ = 4020443117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020444149) 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, 350206 + ... + 361503.

It is an arithmetic number, because the mean of its divisors is an integer number (384323400).

Almost surely, 2^4020444141 is an apocalyptic number.

It is an amenable number.

4020444141 is a deficient number, since it is larger than the sum of its proper divisors (2128730259).

4020444141 is a wasteful number, since it uses less digits than its factorization.

4020444141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711988.

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

The square root of 4020444141 is about 63406.9723374330. The cubic root of 4020444141 is about 1590.1008784538.

Adding to 4020444141 its reverse (1414440204), we get a palindrome (5434884345).

The spelling of 4020444141 in words is "four billion, twenty million, four hundred forty-four thousand, one hundred forty-one".