4649779080 has 80 divisors (see below), whose sum is σ = 15628435020. Its totient is φ = 1239940224.

The previous prime is 4649779073. The next prime is 4649779091. The reversal of 4649779080 is 809779464.

It is a happy number.

4649779080 is a `hidden beast` number, since 4 + 6 + 497 + 79 + 0 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4646603556 + 3175524 = 68166^2 + 1782^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 714319 + ... + 720798.

Almost surely, 2^4649779080 is an apocalyptic number.

4649779080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4649779080 is an abundant number, since it is smaller than the sum of its proper divisors (10978655940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4649779080 is a wasteful number, since it uses less digits than its factorization.

4649779080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435140 (or 1435127 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 4649779080 is about 68189.2886016565. The cubic root of 4649779080 is about 1669.0811013253.

The spelling of 4649779080 in words is "four billion, six hundred forty-nine million, seven hundred seventy-nine thousand, eighty".