405300552553 has 4 divisors (see below), whose sum is σ = 436477518148. Its totient is φ = 374123586960.

The previous prime is 405300552479. The next prime is 405300552581. The reversal of 405300552553 is 355255003504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117953094249 + 287347458304 = 343443^2 + 536048^2 .

It is a cyclic number.

It is not a de Polignac number, because 405300552553 - 2²⁵ = 405266998121 is a prime.

It is a super-2 number, since 2×405300552553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405300852553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15588482778 + ... + 15588482803.

It is an arithmetic number, because the mean of its divisors is an integer number (109119379537).

Almost surely, 2^405300552553 is an apocalyptic number.

It is an amenable number.

405300552553 is a deficient number, since it is larger than the sum of its proper divisors (31176965595).

405300552553 is a wasteful number, since it uses less digits than its factorization.

405300552553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176965594.

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 405300552553 in words is "four hundred five billion, three hundred million, five hundred fifty-two thousand, five hundred fifty-three".