4021433240044 has 12 divisors (see below), whose sum is σ = 7677281640168. Its totient is φ = 1827924200000.

The previous prime is 4021433240003. The next prime is 4021433240129. The reversal of 4021433240044 is 4400423341204.

It is a junction number, because it is equal to n+sod(n) for n = 4021433239988 and 4021433240015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45698104957 + ... + 45698105044.

It is an arithmetic number, because the mean of its divisors is an integer number (639773470014).

Almost surely, 2^{4021433240044} is an apocalyptic number.

4021433240044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021433240044 is a deficient number, since it is larger than the sum of its proper divisors (3655848400124).

4021433240044 is a wasteful number, since it uses less digits than its factorization.

4021433240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91396210016 (or 91396210014 counting only the distinct ones).

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

Adding to 4021433240044 its reverse (4400423341204), we get a palindrome (8421856581248).

The spelling of 4021433240044 in words is "four trillion, twenty-one billion, four hundred thirty-three million, two hundred forty thousand, forty-four".