8545658444 has 12 divisors (see below), whose sum is σ = 14956447968. Its totient is φ = 4272387600.

The previous prime is 8545658411. The next prime is 8545658483. The reversal of 8545658444 is 4448565458.

It is a super-2 number, since 2×8545658444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64772 + ... + 145899.

It is an arithmetic number, because the mean of its divisors is an integer number (1246370664).

Almost surely, 2^8545658444 is an apocalyptic number.

It is an amenable number.

8545658444 is a deficient number, since it is larger than the sum of its proper divisors (6410789524).

8545658444 is a wasteful number, since it uses less digits than its factorization.

8545658444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220816 (or 220814 counting only the distinct ones).

The product of its digits is 12288000, while the sum is 53.

The square root of 8545658444 is about 92442.7306173936. The cubic root of 8545658444 is about 2044.4751848188.

The spelling of 8545658444 in words is "eight billion, five hundred forty-five million, six hundred fifty-eight thousand, four hundred forty-four".