4001420141 has 4 divisors (see below), whose sum is σ = 4018593852. Its totient is φ = 3984246432.

The previous prime is 4001420119. The next prime is 4001420183. The reversal of 4001420141 is 1410241004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2645044900 + 1356375241 = 51430^2 + 36829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001420141 is a prime.

It is a super-2 number, since 2×4001420141² = 32022726289600919762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001420191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8586506 + ... + 8586971.

It is an arithmetic number, because the mean of its divisors is an integer number (1004648463).

Almost surely, 2^4001420141 is an apocalyptic number.

It is an amenable number.

4001420141 is a deficient number, since it is larger than the sum of its proper divisors (17173711).

4001420141 is a wasteful number, since it uses less digits than its factorization.

4001420141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173710.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4001420141 is about 63256.7794074279. The cubic root of 4001420141 is about 1587.5888908499.

Adding to 4001420141 its reverse (1410241004), we get a palindrome (5411661145).

The spelling of 4001420141 in words is "four billion, one million, four hundred twenty thousand, one hundred forty-one".