4021403432044 has 6 divisors (see below), whose sum is σ = 7037456006084. Its totient is φ = 2010701716020.

The previous prime is 4021403432041. The next prime is 4021403432087. The reversal of 4021403432044 is 4402343041204.

It is a super-3 number, since 3×4021403432044³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021403431997 and 4021403432015.

It is not an unprimeable number, because it can be changed into a prime (4021403432041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502675429002 + ... + 502675429009.

Almost surely, 2^{4021403432044} is an apocalyptic number.

It is an amenable number.

4021403432044 is a deficient number, since it is larger than the sum of its proper divisors (3016052574040).

4021403432044 is a wasteful number, since it uses less digits than its factorization.

4021403432044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005350858015 (or 1005350858013 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4021403432044 its reverse (4402343041204), we get a palindrome (8423746473248).

The spelling of 4021403432044 in words is "four trillion, twenty-one billion, four hundred three million, four hundred thirty-two thousand, forty-four".