401443542053 has 8 divisors (see below), whose sum is σ = 408242081400. Its totient is φ = 394652018880.

The previous prime is 401443542037. The next prime is 401443542077. The reversal of 401443542053 is 350245344104.

It can be written as a sum of positive squares in 4 ways, for example, as 21743566849 + 379699975204 = 147457^2 + 616198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401443542053 - 2⁴ = 401443542037 is a prime.

It is a super-2 number, since 2×401443542053² (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 (401443542013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638578 + ... + 1867571.

It is an arithmetic number, because the mean of its divisors is an integer number (51030260175).

Almost surely, 2^401443542053 is an apocalyptic number.

It is an amenable number.

401443542053 is a deficient number, since it is larger than the sum of its proper divisors (6798539347).

401443542053 is a wasteful number, since it uses less digits than its factorization.

401443542053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508087.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 401443542053 its reverse (350245344104), we get a palindrome (751688886157).

The spelling of 401443542053 in words is "four hundred one billion, four hundred forty-three million, five hundred forty-two thousand, fifty-three".