420142441 has 8 divisors (see below), whose sum is σ = 429597504. Its totient is φ = 410770320.

The previous prime is 420142433. The next prime is 420142451. The reversal of 420142441 is 144241024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420142441 - 2³ = 420142433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420142451) 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, 10435 + ... + 30808.

It is an arithmetic number, because the mean of its divisors is an integer number (53699688).

Almost surely, 2^420142441 is an apocalyptic number.

It is an amenable number.

420142441 is a deficient number, since it is larger than the sum of its proper divisors (9455063).

420142441 is a wasteful number, since it uses less digits than its factorization.

420142441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41471.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 420142441 is about 20497.3764418767. The cubic root of 420142441 is about 748.9718896665.

Adding to 420142441 its reverse (144241024), we get a palindrome (564383465).

The spelling of 420142441 in words is "four hundred twenty million, one hundred forty-two thousand, four hundred forty-one".