401543144553 has 16 divisors (see below), whose sum is σ = 566141087232. Its totient is φ = 252741552000.

The previous prime is 401543144479. The next prime is 401543144603. The reversal of 401543144553 is 355441345104.

It is not a de Polignac number, because 401543144553 - 2¹³ = 401543136361 is a prime.

It is a super-2 number, since 2×401543144553² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401543944553) 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, 52650678 + ... + 52658303.

It is an arithmetic number, because the mean of its divisors is an integer number (35383817952).

Almost surely, 2^401543144553 is an apocalyptic number.

It is an amenable number.

401543144553 is a deficient number, since it is larger than the sum of its proper divisors (164597942679).

401543144553 is a wasteful number, since it uses less digits than its factorization.

401543144553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105309056.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 401543144553 its reverse (355441345104), we get a palindrome (756984489657).

The spelling of 401543144553 in words is "four hundred one billion, five hundred forty-three million, one hundred forty-four thousand, five hundred fifty-three".