455881261 has 16 divisors (see below), whose sum is σ = 502197696. Its totient is φ = 410400000.

The previous prime is 455881207. The next prime is 455881301. The reversal of 455881261 is 162188554.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 455881261 - 2¹¹ = 455879213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455881201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798106 + ... + 798676.

It is an arithmetic number, because the mean of its divisors is an integer number (31387356).

Almost surely, 2^455881261 is an apocalyptic number.

It is an amenable number.

455881261 is a deficient number, since it is larger than the sum of its proper divisors (46316435).

455881261 is a wasteful number, since it uses less digits than its factorization.

455881261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its digits is 76800, while the sum is 40.

The square root of 455881261 is about 21351.3760914841. The cubic root of 455881261 is about 769.6334123891.

The spelling of 455881261 in words is "four hundred fifty-five million, eight hundred eighty-one thousand, two hundred sixty-one".