47216621605540 has 96 divisors (see below), whose sum is σ = 106091865936000. Its totient is φ = 17598092037120.

The previous prime is 47216621605507. The next prime is 47216621605609. The reversal of 47216621605540 is 4550612661274.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385862647 + ... + 385984993.

It is an arithmetic number, because the mean of its divisors is an integer number (1105123603500).

Almost surely, 2^{47216621605540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47216621605540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53045932968000).

47216621605540 is an abundant number, since it is smaller than the sum of its proper divisors (58875244330460).

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

47216621605540 is a wasteful number, since it uses less digits than its factorization.

47216621605540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139085 (or 139083 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 47216621605540 in words is "forty-seven trillion, two hundred sixteen billion, six hundred twenty-one million, six hundred five thousand, five hundred forty".