4659412640 has 24 divisors (see below), whose sum is σ = 11007862740. Its totient is φ = 1863764992.

The previous prime is 4659412631. The next prime is 4659412661. The reversal of 4659412640 is 462149564.

It can be written as a sum of positive squares in 2 ways, for example, as 4457431696 + 201980944 = 66764^2 + 14212^2 .

It is a super-2 number, since 2×4659412640² = 43420252299583539200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 14560505 + ... + 14560824.

Almost surely, 2^4659412640 is an apocalyptic number.

4659412640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4659412640 is an abundant number, since it is smaller than the sum of its proper divisors (6348450100).

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

4659412640 is a wasteful number, since it uses less digits than its factorization.

4659412640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29121344 (or 29121336 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 4659412640 is about 68259.8904188983. The cubic root of 4659412640 is about 1670.2329912654.

The spelling of 4659412640 in words is "four billion, six hundred fifty-nine million, four hundred twelve thousand, six hundred forty".