39455342080 has 160 divisors (see below), whose sum is σ = 117943879680. Its totient is φ = 12297707520.

The previous prime is 39455342063. The next prime is 39455342083. The reversal of 39455342080 is 8024355493.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39455342083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97041 + ... + 297199.

It is an arithmetic number, because the mean of its divisors is an integer number (737149248).

Almost surely, 2^39455342080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39455342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58971939840).

39455342080 is an abundant number, since it is smaller than the sum of its proper divisors (78488537600).

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

39455342080 is a wasteful number, since it uses less digits than its factorization.

39455342080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200200 (or 200184 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 39455342080 in words is "thirty-nine billion, four hundred fifty-five million, three hundred forty-two thousand, eighty".