401016027 has 16 divisors (see below), whose sum is σ = 552234240. Its totient is φ = 258652512.

The previous prime is 401016001. The next prime is 401016053. The reversal of 401016027 is 720610104.

It is an interprime number because it is at equal distance from previous prime (401016001) and next prime (401016053).

It is not a de Polignac number, because 401016027 - 2⁷ = 401015899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401015994 and 401016012.

It is not an unprimeable number, because it can be changed into a prime (401016127) 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 15 ways as a sum of consecutive naturals, for example, 9778 + ... + 29960.

It is an arithmetic number, because the mean of its divisors is an integer number (34514640).

Almost surely, 2^401016027 is an apocalyptic number.

401016027 is a deficient number, since it is larger than the sum of its proper divisors (151218213).

401016027 is a wasteful number, since it uses less digits than its factorization.

401016027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20402.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 401016027 is about 20025.3845655957. The cubic root of 401016027 is about 737.4296181805.

The spelling of 401016027 in words is "four hundred one million, sixteen thousand, twenty-seven".