405149162455 has 16 divisors (see below), whose sum is σ = 487748289600. Its totient is φ = 323074697472.

The previous prime is 405149162377. The next prime is 405149162459. The reversal of 405149162455 is 554261941504.

It is a cyclic number.

It is not a de Polignac number, because 405149162455 - 2⁹ = 405149161943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405149162459) 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 15 ways as a sum of consecutive naturals, for example, 1989721 + ... + 2183869.

It is an arithmetic number, because the mean of its divisors is an integer number (30484268100).

Almost surely, 2^405149162455 is an apocalyptic number.

405149162455 is a deficient number, since it is larger than the sum of its proper divisors (82599127145).

405149162455 is a wasteful number, since it uses less digits than its factorization.

405149162455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195498.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 405149162455 in words is "four hundred five billion, one hundred forty-nine million, one hundred sixty-two thousand, four hundred fifty-five".