47640252004 has 12 divisors (see below), whose sum is σ = 83529852784. Its totient is φ = 23774579784.

The previous prime is 47640251959. The next prime is 47640252007. The reversal of 47640252004 is 40025204674.

It is a super-2 number, since 2×47640252004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47640252007) by changing a digit.

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, 11384202 + ... + 11388385.

Almost surely, 2^47640252004 is an apocalyptic number.

It is an amenable number.

47640252004 is a deficient number, since it is larger than the sum of its proper divisors (35889600780).

47640252004 is a wasteful number, since it uses less digits than its factorization.

47640252004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22773114 (or 22773112 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 47640252004 its reverse (40025204674), we get a palindrome (87665456678).

The spelling of 47640252004 in words is "forty-seven billion, six hundred forty million, two hundred fifty-two thousand, four".