455042539581 has 32 divisors (see below), whose sum is σ = 697918933248. Its totient is φ = 258331230720.

The previous prime is 455042539573. The next prime is 455042539583. The reversal of 455042539581 is 185935240554.

It is a happy number.

It is not a de Polignac number, because 455042539581 - 2³ = 455042539573 is a prime.

It is a super-2 number, since 2×455042539581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455042539583) 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 31 ways as a sum of consecutive naturals, for example, 4971825 + ... + 5062521.

It is an arithmetic number, because the mean of its divisors is an integer number (21809966664).

Almost surely, 2^455042539581 is an apocalyptic number.

It is an amenable number.

455042539581 is a deficient number, since it is larger than the sum of its proper divisors (242876393667).

455042539581 is a wasteful number, since it uses less digits than its factorization.

455042539581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92261.

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 455042539581 in words is "four hundred fifty-five billion, forty-two million, five hundred thirty-nine thousand, five hundred eighty-one".