403242431144 has 16 divisors (see below), whose sum is σ = 864090924000. Its totient is φ = 172818184752.

The previous prime is 403242431117. The next prime is 403242431159. The reversal of 403242431144 is 441134242304.

It is a super-2 number, since 2×403242431144² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 403242431144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600378794 + ... + 3600378905.

It is an arithmetic number, because the mean of its divisors is an integer number (54005682750).

Almost surely, 2^403242431144 is an apocalyptic number.

It is an amenable number.

403242431144 is an abundant number, since it is smaller than the sum of its proper divisors (460848492856).

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

403242431144 is a wasteful number, since it uses less digits than its factorization.

403242431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200757712 (or 7200757708 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 403242431144 its reverse (441134242304), we get a palindrome (844376673448).

The spelling of 403242431144 in words is "four hundred three billion, two hundred forty-two million, four hundred thirty-one thousand, one hundred forty-four".