404420113454 has 16 divisors (see below), whose sum is σ = 695180709888. Its totient is φ = 172850634072.

The previous prime is 404420113453. The next prime is 404420113459. The reversal of 404420113454 is 454311024404.

It is a super-2 number, since 2×404420113454² (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 404420113454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404420113453) 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, 39350654 + ... + 39360929.

It is an arithmetic number, because the mean of its divisors is an integer number (43448794368).

Almost surely, 2^404420113454 is an apocalyptic number.

404420113454 is a deficient number, since it is larger than the sum of its proper divisors (290760596434).

404420113454 is a wasteful number, since it uses less digits than its factorization.

404420113454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78711959.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 404420113454 its reverse (454311024404), we get a palindrome (858731137858).

The spelling of 404420113454 in words is "four hundred four billion, four hundred twenty million, one hundred thirteen thousand, four hundred fifty-four".