403320426345 has 24 divisors (see below), whose sum is σ = 712279096776. Its totient is φ = 211045655808.

The previous prime is 403320426317. The next prime is 403320426391. The reversal of 403320426345 is 543624023304.

403320426345 is a `hidden beast` number, since 403 + 3 + 204 + 2 + 6 + 3 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 159603446016 + 243716980329 = 399504^2 + 493677^2 .

It is not a de Polignac number, because 403320426345 - 2⁷ = 403320426217 is a prime.

It is a super-2 number, since 2×403320426345² (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 23 ways as a sum of consecutive naturals, for example, 84551164 + ... + 84555933.

It is an arithmetic number, because the mean of its divisors is an integer number (29678295699).

Almost surely, 2^403320426345 is an apocalyptic number.

403320426345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

403320426345 is a deficient number, since it is larger than the sum of its proper divisors (308958670431).

403320426345 is a wasteful number, since it uses less digits than its factorization.

403320426345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169107161 (or 169107158 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 403320426345 its reverse (543624023304), we get a palindrome (946944449649).

The spelling of 403320426345 in words is "four hundred three billion, three hundred twenty million, four hundred twenty-six thousand, three hundred forty-five".