403505135275452 has 24 divisors (see below), whose sum is σ = 1076013694068096. Its totient is φ = 115287181507248.

The previous prime is 403505135275447. The next prime is 403505135275453. The reversal of 403505135275452 is 254572531505304.

It is a junction number, because it is equal to n+sod(n) for n = 403505135275395 and 403505135275404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403505135275453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401816281318 + ... + 2401816281485.

It is an arithmetic number, because the mean of its divisors is an integer number (44833903919504).

Almost surely, 2^{403505135275452} is an apocalyptic number.

403505135275452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403505135275452 is an abundant number, since it is smaller than the sum of its proper divisors (672508558792644).

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

403505135275452 is a wasteful number, since it uses less digits than its factorization.

403505135275452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803632562817 (or 4803632562815 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 51.

The spelling of 403505135275452 in words is "four hundred three trillion, five hundred five billion, one hundred thirty-five million, two hundred seventy-five thousand, four hundred fifty-two".