40655592 has 96 divisors (see below), whose sum is σ = 117374400. Its totient is φ = 12676608.

The previous prime is 40655591. The next prime is 40655617. The reversal of 40655592 is 29555604.

40655592 is a `hidden beast` number, since 4 + 0 + 65 + 5 + 592 = 666.

40655592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (40655591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154453 + ... + 154715.

It is an arithmetic number, because the mean of its divisors is an integer number (1222650).

Almost surely, 2^40655592 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 40655592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58687200).

40655592 is an abundant number, since it is smaller than the sum of its proper divisors (76718808).

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

40655592 is a wasteful number, since it uses less digits than its factorization.

40655592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 40655592 is about 6376.1737742944. The cubic root of 40655592 is about 343.8534845678.

The spelling of 40655592 in words is "forty million, six hundred fifty-five thousand, five hundred ninety-two".