1000404142044 has 12 divisors (see below), whose sum is σ = 2334276331464. Its totient is φ = 333468047344.

The previous prime is 1000404142043. The next prime is 1000404142069. The reversal of 1000404142044 is 4402414040001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1000404142044³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000404142043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41683505907 + ... + 41683505930.

It is an arithmetic number, because the mean of its divisors is an integer number (194523027622).

Almost surely, 2^{1000404142044} is an apocalyptic number.

It is an amenable number.

1000404142044 is an abundant number, since it is smaller than the sum of its proper divisors (1333872189420).

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

1000404142044 is a wasteful number, since it uses less digits than its factorization.

1000404142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83367011844 (or 83367011842 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1000404142044 its reverse (4402414040001), we get a palindrome (5402818182045).

The spelling of 1000404142044 in words is "one trillion, four hundred four million, one hundred forty-two thousand, forty-four".