401444127 has 16 divisors (see below), whose sum is σ = 679694080. Its totient is φ = 229396536.

The previous prime is 401444123. The next prime is 401444143. The reversal of 401444127 is 721444104.

It is not a de Polignac number, because 401444127 - 2² = 401444123 is a prime.

It is a super-2 number, since 2×401444127² = 322314774205584258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401444127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401444123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061833 + ... + 1062210.

It is an arithmetic number, because the mean of its divisors is an integer number (42480880).

Almost surely, 2^401444127 is an apocalyptic number.

401444127 is a deficient number, since it is larger than the sum of its proper divisors (278249953).

401444127 is a wasteful number, since it uses less digits than its factorization.

401444127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124059 (or 2124053 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 401444127 is about 20036.0706477093. The cubic root of 401444127 is about 737.6919363312.

The spelling of 401444127 in words is "four hundred one million, four hundred forty-four thousand, one hundred twenty-seven".