403340444012 has 24 divisors (see below), whose sum is σ = 803492428032. Its totient is φ = 175365410000.

The previous prime is 403340443991. The next prime is 403340444051. The reversal of 403340444012 is 210444043304.

It is a happy number.

It is a super-2 number, since 2×403340444012² (a number of 24 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, 199277864 + ... + 199279887.

It is an arithmetic number, because the mean of its divisors is an integer number (33478851168).

Almost surely, 2^403340444012 is an apocalyptic number.

It is an amenable number.

403340444012 is a deficient number, since it is larger than the sum of its proper divisors (400151984020).

403340444012 is a wasteful number, since it uses less digits than its factorization.

403340444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398557789 (or 398557787 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 403340444012 its reverse (210444043304), we get a palindrome (613784487316).

The spelling of 403340444012 in words is "four hundred three billion, three hundred forty million, four hundred forty-four thousand, twelve".