401420043 has 10 divisors (see below), whose sum is σ = 599652284. Its totient is φ = 267613308.

The previous prime is 401420029. The next prime is 401420057. The reversal of 401420043 is 340024104.

It is an interprime number because it is at equal distance from previous prime (401420029) and next prime (401420057).

It is not a de Polignac number, because 401420043 - 2⁴ = 401420027 is a prime.

It is a super-2 number, since 2×401420043² = 322276101844243698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401419998 and 401420025.

It is not an unprimeable number, because it can be changed into a prime (401420743) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2477821 + ... + 2477982.

Almost surely, 2^401420043 is an apocalyptic number.

401420043 is a deficient number, since it is larger than the sum of its proper divisors (198232241).

401420043 is an equidigital number, since it uses as much as digits as its factorization.

401420043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955815 (or 4955806 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401420043 is about 20035.4696226467. The cubic root of 401420043 is about 737.6771838192.

Adding to 401420043 its reverse (340024104), we get a palindrome (741444147).

The spelling of 401420043 in words is "four hundred one million, four hundred twenty thousand, forty-three".