39955847271120 has 480 divisors, whose sum is σ = 147245289519744. Its totient is φ = 9629422387200.

The previous prime is 39955847271079. The next prime is 39955847271157. The reversal of 39955847271120 is 2117274855993.

It is a happy number.

39955847271120 is a `hidden beast` number, since 3 + 9 + 9 + 5 + 584 + 7 + 27 + 1 + 1 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 925374972 + ... + 925418148.

Almost surely, 2^{39955847271120} is an apocalyptic number.

39955847271120 is a gapful number since it is divisible by the number (30) 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 39955847271120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73622644759872).

39955847271120 is an abundant number, since it is smaller than the sum of its proper divisors (107289442248624).

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

39955847271120 is a wasteful number, since it uses less digits than its factorization.

39955847271120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43891 (or 43882 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 39955847271120 in words is "thirty-nine trillion, nine hundred fifty-five billion, eight hundred forty-seven million, two hundred seventy-one thousand, one hundred twenty".