40517312752 has 20 divisors (see below), whose sum is σ = 89716907056. Its totient is φ = 17364562560.

The previous prime is 40517312743. The next prime is 40517312779. The reversal of 40517312752 is 25721371504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180880749 + ... + 180880972.

Almost surely, 2^40517312752 is an apocalyptic number.

It is an amenable number.

40517312752 is an abundant number, since it is smaller than the sum of its proper divisors (49199594304).

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

40517312752 is a wasteful number, since it uses less digits than its factorization.

40517312752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361761736 (or 361761730 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 40517312752 in words is "forty billion, five hundred seventeen million, three hundred twelve thousand, seven hundred fifty-two".