403552020244545 has 48 divisors (see below), whose sum is σ = 699666662477952. Its totient is φ = 215173442826240.

The previous prime is 403552020244531. The next prime is 403552020244589. The reversal of 403552020244545 is 545442020255304.

403552020244545 is a `hidden beast` number, since 4 + 0 + 3 + 5 + 520 + 20 + 24 + 45 + 45 = 666.

It is not a de Polignac number, because 403552020244545 - 2⁹ = 403552020244033 is a prime.

It is a super-3 number, since 3×403552020244545³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 403552020244545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6788404012 + ... + 6788463458.

It is an arithmetic number, because the mean of its divisors is an integer number (14576388801624).

Almost surely, 2^{403552020244545} is an apocalyptic number.

403552020244545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

403552020244545 is a deficient number, since it is larger than the sum of its proper divisors (296114642233407).

403552020244545 is a wasteful number, since it uses less digits than its factorization.

403552020244545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94982 (or 94979 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 45.

Adding to 403552020244545 its reverse (545442020255304), we get a palindrome (948994040499849).

The spelling of 403552020244545 in words is "four hundred three trillion, five hundred fifty-two billion, twenty million, two hundred forty-four thousand, five hundred forty-five".