47640052086 has 64 divisors (see below), whose sum is σ = 105458457600. Its totient is φ = 14226451200.

The previous prime is 47640052067. The next prime is 47640052087. The reversal of 47640052086 is 68025004674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47640052087) 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 31 ways as a sum of consecutive naturals, for example, 2812330 + ... + 2829218.

It is an arithmetic number, because the mean of its divisors is an integer number (1647788400).

Almost surely, 2^47640052086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47640052086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52729228800).

47640052086 is an abundant number, since it is smaller than the sum of its proper divisors (57818405514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47640052086 is a wasteful number, since it uses less digits than its factorization.

47640052086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17525.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 47640052086 in words is "forty-seven billion, six hundred forty million, fifty-two thousand, eighty-six".