2011403033444 has 24 divisors (see below), whose sum is σ = 4023361113408. Its totient is φ = 861910932960.

The previous prime is 2011403033413. The next prime is 2011403033489. The reversal of 2011403033444 is 4443303041102.

It is a happy number.

It is a super-2 number, since 2×2011403033444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749062 + ... + 5155229.

It is an arithmetic number, because the mean of its divisors is an integer number (167640046392).

Almost surely, 2^{2011403033444} is an apocalyptic number.

It is an amenable number.

2011403033444 is an abundant number, since it is smaller than the sum of its proper divisors (2011958079964).

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

2011403033444 is a wasteful number, since it uses less digits than its factorization.

2011403033444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911555 (or 9911553 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2011403033444 its reverse (4443303041102), we get a palindrome (6454706074546).

The spelling of 2011403033444 in words is "two trillion, eleven billion, four hundred three million, thirty-three thousand, four hundred forty-four".