40720466416 has 80 divisors (see below), whose sum is σ = 91535712768. Its totient is φ = 17187206400.

The previous prime is 40720466399. The next prime is 40720466447. The reversal of 40720466416 is 61466402704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9309606 + ... + 9313978.

Almost surely, 2^40720466416 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 40720466416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45767856384).

40720466416 is an abundant number, since it is smaller than the sum of its proper divisors (50815246352).

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

40720466416 is a wasteful number, since it uses less digits than its factorization.

40720466416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630 (or 5624 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 40720466416 in words is "forty billion, seven hundred twenty million, four hundred sixty-six thousand, four hundred sixteen".