4640280587 has 4 divisors (see below), whose sum is σ = 4650217416. Its totient is φ = 4630343760.

The previous prime is 4640280581. The next prime is 4640280647. The reversal of 4640280587 is 7850820464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4640280587 - 2⁴ = 4640280571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640280581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967714 + ... + 4968647.

It is an arithmetic number, because the mean of its divisors is an integer number (1162554354).

Almost surely, 2^4640280587 is an apocalyptic number.

4640280587 is a deficient number, since it is larger than the sum of its proper divisors (9936829).

4640280587 is an equidigital number, since it uses as much as digits as its factorization.

4640280587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936828.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 4640280587 is about 68119.6050120668. The cubic root of 4640280587 is about 1667.9438026553.

The spelling of 4640280587 in words is "four billion, six hundred forty million, two hundred eighty thousand, five hundred eighty-seven".