40032055 has 16 divisors (see below), whose sum is σ = 55010304. Its totient is φ = 27396000.

The previous prime is 40032053. The next prime is 40032079. The reversal of 40032055 is 55023004.

It is a happy number.

It is not a de Polignac number, because 40032055 - 2¹ = 40032053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25524 + ... + 27046.

It is an arithmetic number, because the mean of its divisors is an integer number (3438144).

Almost surely, 2^40032055 is an apocalyptic number.

40032055 is a deficient number, since it is larger than the sum of its proper divisors (14978249).

40032055 is a wasteful number, since it uses less digits than its factorization.

40032055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 40032055 is about 6327.0889830948. The cubic root of 40032055 is about 342.0865204078.

Adding to 40032055 its reverse (55023004), we get a palindrome (95055059).

The spelling of 40032055 in words is "forty million, thirty-two thousand, fifty-five".