405010260561 has 16 divisors (see below), whose sum is σ = 547035426560. Its totient is φ = 266498294400.

The previous prime is 405010260559. The next prime is 405010260623. The reversal of 405010260561 is 165062010504.

It is not a de Polignac number, because 405010260561 - 2¹ = 405010260559 is a prime.

It is a super-2 number, since 2×405010260561² (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 (405010260521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410511 + ... + 989211.

It is an arithmetic number, because the mean of its divisors is an integer number (34189714160).

Almost surely, 2^405010260561 is an apocalyptic number.

It is an amenable number.

405010260561 is a deficient number, since it is larger than the sum of its proper divisors (142025165999).

405010260561 is a wasteful number, since it uses less digits than its factorization.

405010260561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581736.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 405010260561 in words is "four hundred five billion, ten million, two hundred sixty thousand, five hundred sixty-one".