401448447 has 16 divisors (see below), whose sum is σ = 605962080. Its totient is φ = 262581696.

The previous prime is 401448427. The next prime is 401448469. The reversal of 401448447 is 744844104.

It is not a de Polignac number, because 401448447 - 2²⁸ = 133012991 is a prime.

It is a super-2 number, since 2×401448447² = 322321711197423618, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401448427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138838 + ... + 141699.

It is an arithmetic number, because the mean of its divisors is an integer number (37872630).

Almost surely, 2^401448447 is an apocalyptic number.

401448447 is a deficient number, since it is larger than the sum of its proper divisors (204513633).

401448447 is a wasteful number, since it uses less digits than its factorization.

401448447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280599 (or 280593 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 401448447 is about 20036.1784529885. The cubic root of 401448447 is about 737.6945824593.

The spelling of 401448447 in words is "four hundred one million, four hundred forty-eight thousand, four hundred forty-seven".