40055496 has 128 divisors (see below), whose sum is σ = 117936000. Its totient is φ = 11225088.

The previous prime is 40055473. The next prime is 40055501. The reversal of 40055496 is 69455004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171796 + ... + 172028.

It is an arithmetic number, because the mean of its divisors is an integer number (921375).

Almost surely, 2^40055496 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 40055496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968000).

40055496 is an abundant number, since it is smaller than the sum of its proper divisors (77880504).

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

40055496 is a wasteful number, since it uses less digits than its factorization.

40055496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 40055496 is about 6328.9411436669. The cubic root of 40055496 is about 342.1532776225.

The spelling of 40055496 in words is "forty million, fifty-five thousand, four hundred ninety-six".