403230401340 has 384 divisors, whose sum is σ = 1298212780032. Its totient is φ = 92752957440.

The previous prime is 403230401297. The next prime is 403230401351. The reversal of 403230401340 is 43104032304.

It is a self number, because there is not a number n which added to its sum of digits gives 403230401340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 263376375 + ... + 263377905.

It is an arithmetic number, because the mean of its divisors is an integer number (3380762448).

Almost surely, 2^403230401340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403230401340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649106390016).

403230401340 is an abundant number, since it is smaller than the sum of its proper divisors (894982378692).

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

403230401340 is a wasteful number, since it uses less digits than its factorization.

403230401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 403230401340 its reverse (43104032304), we get a palindrome (446334433644).

The spelling of 403230401340 in words is "four hundred three billion, two hundred thirty million, four hundred one thousand, three hundred forty".