40089929872 has 20 divisors (see below), whose sum is σ = 77768187696. Its totient is φ = 20020720160.

The previous prime is 40089929813. The next prime is 40089929879. The reversal of 40089929872 is 27892998004.

It is not an unprimeable number, because it can be changed into a prime (40089929879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501654 + ... + 1528117.

Almost surely, 2^40089929872 is an apocalyptic number.

It is an amenable number.

40089929872 is a deficient number, since it is larger than the sum of its proper divisors (37678257824).

40089929872 is a wasteful number, since it uses less digits than its factorization.

40089929872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030606 (or 3030600 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 40089929872 in words is "forty billion, eighty-nine million, nine hundred twenty-nine thousand, eight hundred seventy-two".