47818447848640 has 56 divisors (see below), whose sum is σ = 130134490222752. Its totient is φ = 16394896404480.

The previous prime is 47818447848637. The next prime is 47818447848733. The reversal of 47818447848640 is 4684874481874.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10673758441 + ... + 10673762920.

Almost surely, 2^{47818447848640} is an apocalyptic number.

47818447848640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47818447848640 is an abundant number, since it is smaller than the sum of its proper divisors (82316042374112).

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

47818447848640 is a wasteful number, since it uses less digits than its factorization.

47818447848640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347521385 (or 21347521375 counting only the distinct ones).

The product of its (nonzero) digits is 1233125376, while the sum is 73.

The spelling of 47818447848640 in words is "forty-seven trillion, eight hundred eighteen billion, four hundred forty-seven million, eight hundred forty-eight thousand, six hundred forty".