4020137441 has 16 divisors (see below), whose sum is σ = 4447049040. Its totient is φ = 3616972800.

The previous prime is 4020137423. The next prime is 4020137449. The reversal of 4020137441 is 1447310204.

It can be written as a sum of positive squares in 8 ways, for example, as 2124841216 + 1895296225 = 46096^2 + 43535^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4020137441 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020137441.

It is not an unprimeable number, because it can be changed into a prime (4020137449) 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, 9425 + ... + 90161.

It is an arithmetic number, because the mean of its divisors is an integer number (277940565).

Almost surely, 2^4020137441 is an apocalyptic number.

It is an amenable number.

4020137441 is a deficient number, since it is larger than the sum of its proper divisors (426911599).

4020137441 is a wasteful number, since it uses less digits than its factorization.

4020137441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80884.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4020137441 is about 63404.5537875632. The cubic root of 4020137441 is about 1590.0604437552.

Adding to 4020137441 its reverse (1447310204), we get a palindrome (5467447645).

The spelling of 4020137441 in words is "four billion, twenty million, one hundred thirty-seven thousand, four hundred forty-one".