47436640708 has 48 divisors (see below), whose sum is σ = 84677919984. Its totient is φ = 23247544320.

The previous prime is 47436640649. The next prime is 47436640709. The reversal of 47436640708 is 80704663474.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9364045824 + 38072594884 = 96768^2 + 195122^2 .

It is not an unprimeable number, because it can be changed into a prime (47436640709) 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 15 ways as a sum of consecutive naturals, for example, 50625616 + ... + 50626552.

It is an arithmetic number, because the mean of its divisors is an integer number (1764123333).

Almost surely, 2^47436640708 is an apocalyptic number.

It is an amenable number.

47436640708 is a deficient number, since it is larger than the sum of its proper divisors (37241279276).

47436640708 is a wasteful number, since it uses less digits than its factorization.

47436640708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 47436640708 in words is "forty-seven billion, four hundred thirty-six million, six hundred forty thousand, seven hundred eight".