40569055 has 16 divisors (see below), whose sum is σ = 51788160. Its totient is φ = 30403072.

The previous prime is 40569043. The next prime is 40569059. The reversal of 40569055 is 55096504.

It is a happy number.

It is not a de Polignac number, because 40569055 - 2¹⁷ = 40437983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40569055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40569059) 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, 19317 + ... + 21313.

It is an arithmetic number, because the mean of its divisors is an integer number (3236760).

Almost surely, 2^40569055 is an apocalyptic number.

40569055 is a deficient number, since it is larger than the sum of its proper divisors (11219105).

40569055 is a wasteful number, since it uses less digits than its factorization.

40569055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 40569055 is about 6369.3841931540. The cubic root of 40569055 is about 343.6093427837.

The spelling of 40569055 in words is "forty million, five hundred sixty-nine thousand, fifty-five".