486651645 has 40 divisors (see below), whose sum is σ = 873987840. Its totient is φ = 259066080.

The previous prime is 486651643. The next prime is 486651689. The reversal of 486651645 is 546156684.

486651645 is a `hidden beast` number, since 486 + 6 + 5 + 164 + 5 = 666.

It is not a de Polignac number, because 486651645 - 2¹ = 486651643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 486651645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486651643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 368296 + ... + 369614.

It is an arithmetic number, because the mean of its divisors is an integer number (21849696).

Almost surely, 2^486651645 is an apocalyptic number.

486651645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

486651645 is a deficient number, since it is larger than the sum of its proper divisors (387336195).

486651645 is a wasteful number, since it uses less digits than its factorization.

486651645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2238 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 486651645 is about 22060.1823428547. The cubic root of 486651645 is about 786.5736590662.

The spelling of 486651645 in words is "four hundred eighty-six million, six hundred fifty-one thousand, six hundred forty-five".