404241402432 has 56 divisors (see below), whose sum is σ = 1222349006656. Its totient is φ = 115497543168.

The previous prime is 404241402431. The next prime is 404241402443. The reversal of 404241402432 is 234204142404.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×404241402432² (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 404241402432.

It is not an unprimeable number, because it can be changed into a prime (404241402431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150386083 + ... + 150388770.

Almost surely, 2^404241402432 is an apocalyptic number.

404241402432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

404241402432 is an abundant number, since it is smaller than the sum of its proper divisors (818107604224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404241402432 is a wasteful number, since it uses less digits than its factorization.

404241402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300774875 (or 300774865 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 404241402432 its reverse (234204142404), we get a palindrome (638445544836).

The spelling of 404241402432 in words is "four hundred four billion, two hundred forty-one million, four hundred two thousand, four hundred thirty-two".