2640127430 has 8 divisors (see below), whose sum is σ = 4752229392. Its totient is φ = 1056050968.

The previous prime is 2640127423. The next prime is 2640127447. The reversal of 2640127430 is 347210462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2640127393 and 2640127402.

It is a congruent number.

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, 132006362 + ... + 132006381.

It is an arithmetic number, because the mean of its divisors is an integer number (594028674).

Almost surely, 2^2640127430 is an apocalyptic number.

2640127430 is a deficient number, since it is larger than the sum of its proper divisors (2112101962).

2640127430 is a wasteful number, since it uses less digits than its factorization.

2640127430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264012750.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2640127430 is about 51382.1703512026. The cubic root of 2640127430 is about 1382.1068828978.

Adding to 2640127430 its reverse (347210462), we get a palindrome (2987337892).

The spelling of 2640127430 in words is "two billion, six hundred forty million, one hundred twenty-seven thousand, four hundred thirty".