47394774601920 has 504 divisors, whose sum is σ = 178764969168864. Its totient is φ = 11484971237376.

The previous prime is 47394774601879. The next prime is 47394774601943. The reversal of 47394774601920 is 2910647749374.

47394774601920 is a `hidden beast` number, since 4 + 7 + 3 + 94 + 77 + 460 + 19 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40599837 + ... + 41750883.

Almost surely, 2^{47394774601920} is an apocalyptic number.

47394774601920 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 47394774601920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89382484584432).

47394774601920 is an abundant number, since it is smaller than the sum of its proper divisors (131370194566944).

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

47394774601920 is a wasteful number, since it uses less digits than its factorization.

47394774601920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151145 (or 1151103 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 63.

The spelling of 47394774601920 in words is "forty-seven trillion, three hundred ninety-four billion, seven hundred seventy-four million, six hundred one thousand, nine hundred twenty".