39281854068 has 48 divisors (see below), whose sum is σ = 105353640000. Its totient is φ = 12642434784.

The previous prime is 39281854067. The next prime is 39281854093. The reversal of 39281854068 is 86045818293.

39281854068 is a `hidden beast` number, since 3 + 9 + 28 + 18 + 540 + 68 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39281854067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6267918 + ... + 6274181.

It is an arithmetic number, because the mean of its divisors is an integer number (2194867500).

Almost surely, 2^39281854068 is an apocalyptic number.

It is an amenable number.

39281854068 is an abundant number, since it is smaller than the sum of its proper divisors (66071785932).

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

39281854068 is a wasteful number, since it uses less digits than its factorization.

39281854068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12542141 (or 12542133 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 39281854068 in words is "thirty-nine billion, two hundred eighty-one million, eight hundred fifty-four thousand, sixty-eight".