47415543920640 has 960 divisors, whose sum is σ = 195520773127680. Its totient is φ = 10765865779200.

The previous prime is 47415543920623. The next prime is 47415543920663. The reversal of 47415543920640 is 4602934551474.

47415543920640 is a `hidden beast` number, since 4 + 7 + 4 + 1 + 5 + 543 + 92 + 0 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 876691039 + ... + 876745121.

It is an arithmetic number, because the mean of its divisors is an integer number (203667472008).

Almost surely, 2^{47415543920640} is an apocalyptic number.

47415543920640 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 47415543920640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97760386563840).

47415543920640 is an abundant number, since it is smaller than the sum of its proper divisors (148105229207040).

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

47415543920640 is a wasteful number, since it uses less digits than its factorization.

47415543920640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54280 (or 54251 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 47415543920640 in words is "forty-seven trillion, four hundred fifteen billion, five hundred forty-three million, nine hundred twenty thousand, six hundred forty".