405265555461 has 8 divisors (see below), whose sum is σ = 581919772000. Its totient is φ = 249394187952.

The previous prime is 405265555433. The next prime is 405265555531. The reversal of 405265555461 is 164555562504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405265555461 - 2²⁵ = 405232001029 is a prime.

It is a super-2 number, since 2×405265555461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 405265555461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405265551461) 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 7 ways as a sum of consecutive naturals, for example, 5195712211 + ... + 5195712288.

It is an arithmetic number, because the mean of its divisors is an integer number (72739971500).

Almost surely, 2^405265555461 is an apocalyptic number.

It is an amenable number.

405265555461 is a deficient number, since it is larger than the sum of its proper divisors (176654216539).

405265555461 is a wasteful number, since it uses less digits than its factorization.

405265555461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391424515.

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 405265555461 in words is "four hundred five billion, two hundred sixty-five million, five hundred fifty-five thousand, four hundred sixty-one".