40082954128 has 120 divisors (see below), whose sum is σ = 97519740480. Its totient is φ = 15864710400.

The previous prime is 40082954123. The next prime is 40082954141. The reversal of 40082954128 is 82145928004.

It is not an unprimeable number, because it can be changed into a prime (40082954123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484603 + ... + 561253.

It is an arithmetic number, because the mean of its divisors is an integer number (812664504).

Almost surely, 2^40082954128 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 40082954128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48759870240).

40082954128 is an abundant number, since it is smaller than the sum of its proper divisors (57436786352).

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

40082954128 is a wasteful number, since it uses less digits than its factorization.

40082954128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76725 (or 76712 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 40082954128 in words is "forty billion, eighty-two million, nine hundred fifty-four thousand, one hundred twenty-eight".