2640147527 has 16 divisors (see below), whose sum is σ = 2839104000. Its totient is φ = 2447612640.

The previous prime is 2640147511. The next prime is 2640147547. The reversal of 2640147527 is 7257410462.

It is a cyclic number.

It is not a de Polignac number, because 2640147527 - 2⁴ = 2640147511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640147547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224918 + ... + 236364.

It is an arithmetic number, because the mean of its divisors is an integer number (177444000).

Almost surely, 2^2640147527 is an apocalyptic number.

2640147527 is a deficient number, since it is larger than the sum of its proper divisors (198956473).

2640147527 is a wasteful number, since it uses less digits than its factorization.

2640147527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2640147527 is about 51382.3659147766. The cubic root of 2640147527 is about 1382.1103898158.

Adding to 2640147527 its reverse (7257410462), we get a palindrome (9897557989).

The spelling of 2640147527 in words is "two billion, six hundred forty million, one hundred forty-seven thousand, five hundred twenty-seven".