403444011012 has 24 divisors (see below), whose sum is σ = 1075850696256. Its totient is φ = 115269717408.

The previous prime is 403444010971. The next prime is 403444011037. The reversal of 403444011012 is 210110444304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401452363 + ... + 2401452530.

It is an arithmetic number, because the mean of its divisors is an integer number (44827112344).

Almost surely, 2^403444011012 is an apocalyptic number.

403444011012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403444011012 is an abundant number, since it is smaller than the sum of its proper divisors (672406685244).

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

403444011012 is a wasteful number, since it uses less digits than its factorization.

403444011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802904907 (or 4802904905 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 403444011012 its reverse (210110444304), we get a palindrome (613554455316).

The spelling of 403444011012 in words is "four hundred three billion, four hundred forty-four million, eleven thousand, twelve".