405032250354452 has 18 divisors (see below), whose sum is σ = 824529938221962. Its totient is φ = 173585250151824.

The previous prime is 405032250354427. The next prime is 405032250354509. The reversal of 405032250354452 is 254453052230504.

It can be written as a sum of positive squares in only one way, i.e., 217159009251856 + 187873241102596 = 14736316^2 + 13706686^2 .

It is a super-2 number, since 2×405032250354452² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1033245536423 + ... + 1033245536814.

It is an arithmetic number, because the mean of its divisors is an integer number (45807218790109).

Almost surely, 2^{405032250354452} is an apocalyptic number.

It is an amenable number.

405032250354452 is an abundant number, since it is smaller than the sum of its proper divisors (419497687867510).

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

405032250354452 is a wasteful number, since it uses less digits than its factorization.

405032250354452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066491073255 (or 2066491073246 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 44.

The spelling of 405032250354452 in words is "four hundred five trillion, thirty-two billion, two hundred fifty million, three hundred fifty-four thousand, four hundred fifty-two".