4640042501 has 4 divisors (see below), whose sum is σ = 4692177900. Its totient is φ = 4587907104.

The previous prime is 4640042489. The next prime is 4640042579. The reversal of 4640042501 is 1052400464.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2018704900 + 2621337601 = 44930^2 + 51199^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640042501 - 2⁶ = 4640042437 is a prime.

It is a super-2 number, since 2×4640042501² = 43059988822172670002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640042591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26067566 + ... + 26067743.

It is an arithmetic number, because the mean of its divisors is an integer number (1173044475).

Almost surely, 2^4640042501 is an apocalyptic number.

It is an amenable number.

4640042501 is a deficient number, since it is larger than the sum of its proper divisors (52135399).

4640042501 is an equidigital number, since it uses as much as digits as its factorization.

4640042501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52135398.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4640042501 is about 68117.8574310731. The cubic root of 4640042501 is about 1667.9152755830.

Adding to 4640042501 its reverse (1052400464), we get a palindrome (5692442965).

The spelling of 4640042501 in words is "four billion, six hundred forty million, forty-two thousand, five hundred one".