40557088 has 48 divisors (see below), whose sum is σ = 93816576. Its totient is φ = 17015040.

The previous prime is 40557071. The next prime is 40557089. The reversal of 40557088 is 88075504.

It is not an unprimeable number, because it can be changed into a prime (40557089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (1954512).

Almost surely, 2^40557088 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 40557088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46908288).

40557088 is an abundant number, since it is smaller than the sum of its proper divisors (53259488).

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

40557088 is a wasteful number, since it uses less digits than its factorization.

40557088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8897 (or 8889 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 40557088 is about 6368.4447080900. Note that the first 3 decimals coincide. The cubic root of 40557088 is about 343.5755536687.

The spelling of 40557088 in words is "forty million, five hundred fifty-seven thousand, eighty-eight".