39489008221656 has 192 divisors, whose sum is σ = 129421890823680. Its totient is φ = 10618553871360.

The previous prime is 39489008221627. The next prime is 39489008221679. The reversal of 39489008221656 is 65612280098493.

39489008221656 is a `hidden beast` number, since 3 + 9 + 489 + 0 + 0 + 82 + 21 + 6 + 56 = 666.

39489008221656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 39489008221593 and 39489008221602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 387145495 + ... + 387247481.

It is an arithmetic number, because the mean of its divisors is an integer number (674072348040).

Almost surely, 2^{39489008221656} is an apocalyptic number.

39489008221656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39489008221656 is an abundant number, since it is smaller than the sum of its proper divisors (89932882602024).

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

39489008221656 is a wasteful number, since it uses less digits than its factorization.

39489008221656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147214 (or 147207 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 39489008221656 in words is "thirty-nine trillion, four hundred eighty-nine billion, eight million, two hundred twenty-one thousand, six hundred fifty-six".