4021134413044 has 48 divisors (see below), whose sum is σ = 8303434617856. Its totient is φ = 1667402496000.

The previous prime is 4021134412973. The next prime is 4021134413117. The reversal of 4021134413044 is 4403144311204.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 4021134412997 and 4021134413015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3684802 + ... + 4649734.

Almost surely, 2^{4021134413044} is an apocalyptic number.

It is an amenable number.

4021134413044 is an abundant number, since it is smaller than the sum of its proper divisors (4282300204812).

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

4021134413044 is a wasteful number, since it uses less digits than its factorization.

4021134413044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969776 (or 969774 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4021134413044 its reverse (4403144311204), we get a palindrome (8424278724248).

The spelling of 4021134413044 in words is "four trillion, twenty-one billion, one hundred thirty-four million, four hundred thirteen thousand, forty-four".