403232120340 has 96 divisors (see below), whose sum is σ = 1294061819904. Its totient is φ = 91901696640.

The previous prime is 403232120329. The next prime is 403232120377. The reversal of 403232120340 is 43021232304.

It is a super-2 number, since 2×403232120340² (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 403232120340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237656 + ... + 1529135.

It is an arithmetic number, because the mean of its divisors is an integer number (13479810624).

Almost surely, 2^403232120340 is an apocalyptic number.

It is an amenable number.

403232120340 is an abundant number, since it is smaller than the sum of its proper divisors (890829699564).

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

403232120340 is a wasteful number, since it uses less digits than its factorization.

403232120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767157 (or 2767155 counting only the distinct ones).

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

Adding to 403232120340 its reverse (43021232304), we get a palindrome (446253352644).

The spelling of 403232120340 in words is "four hundred three billion, two hundred thirty-two million, one hundred twenty thousand, three hundred forty".