405350521353352 has 8 divisors (see below), whose sum is σ = 760032227537550. Its totient is φ = 202675260676672.

The previous prime is 405350521353319. The next prime is 405350521353389. The reversal of 405350521353352 is 253353125053504.

It can be written as a sum of positive squares in only one way, i.e., 293280900698916 + 112069620654436 = 17125446^2 + 10586294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×405350521353352² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25334407584577 + ... + 25334407584592.

Almost surely, 2^{405350521353352} is an apocalyptic number.

It is an amenable number.

405350521353352 is a deficient number, since it is larger than the sum of its proper divisors (354681706184198).

405350521353352 is a wasteful number, since it uses less digits than its factorization.

405350521353352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50668815169175 (or 50668815169171 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 46.

The spelling of 405350521353352 in words is "four hundred five trillion, three hundred fifty billion, five hundred twenty-one million, three hundred fifty-three thousand, three hundred fifty-two".