47211236141640 has 128 divisors (see below), whose sum is σ = 142336976595840. Its totient is φ = 12527222736896.

The previous prime is 47211236141639. The next prime is 47211236141647. The reversal of 47211236141640 is 4614163211274.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47211236141592 and 47211236141601.

It is not an unprimeable number, because it can be changed into a prime (47211236141647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41178799 + ... + 42309761.

It is an arithmetic number, because the mean of its divisors is an integer number (1112007629655).

Almost surely, 2^{47211236141640} is an apocalyptic number.

47211236141640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47211236141640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71168488297920).

47211236141640 is an abundant number, since it is smaller than the sum of its proper divisors (95125740454200).

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

47211236141640 is a wasteful number, since it uses less digits than its factorization.

47211236141640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132703 (or 1132699 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 47211236141640 in words is "forty-seven trillion, two hundred eleven billion, two hundred thirty-six million, one hundred forty-one thousand, six hundred forty".