401444765343 has 12 divisors (see below), whose sum is σ = 584036351080. Its totient is φ = 265704448176.

The previous prime is 401444765311. The next prime is 401444765357. The reversal of 401444765343 is 343567444104.

401444765343 is a `hidden beast` number, since 4 + 0 + 1 + 4 + 44 + 76 + 534 + 3 = 666.

It is not a de Polignac number, because 401444765343 - 2⁵ = 401444765311 is a prime.

It is a super-2 number, since 2×401444765343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401444745343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160448296 + ... + 160450797.

Almost surely, 2^401444765343 is an apocalyptic number.

401444765343 is a deficient number, since it is larger than the sum of its proper divisors (182591585737).

401444765343 is a wasteful number, since it uses less digits than its factorization.

401444765343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320899238 (or 320899235 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 401444765343 in words is "four hundred one billion, four hundred forty-four million, seven hundred sixty-five thousand, three hundred forty-three".