401352438443 has 16 divisors (see below), whose sum is σ = 452060252160. Its totient is φ = 353019902400.

The previous prime is 401352438433. The next prime is 401352438593. The reversal of 401352438443 is 344834253104.

It is not a de Polignac number, because 401352438443 - 2²⁴ = 401335661227 is a prime.

It is a super-2 number, since 2×401352438443² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401352438443.

It is not an unprimeable number, because it can be changed into a prime (401352438433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488146 + ... + 1737032.

It is an arithmetic number, because the mean of its divisors is an integer number (28253765760).

Almost surely, 2^401352438443 is an apocalyptic number.

401352438443 is a deficient number, since it is larger than the sum of its proper divisors (50707813717).

401352438443 is a wasteful number, since it uses less digits than its factorization.

401352438443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253658.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 401352438443 in words is "four hundred one billion, three hundred fifty-two million, four hundred thirty-eight thousand, four hundred forty-three".