40555375 has 16 divisors (see below), whose sum is σ = 57844800. Its totient is φ = 27808800.

The previous prime is 40555363. The next prime is 40555379. The reversal of 40555375 is 57355504.

It is not a de Polignac number, because 40555375 - 2⁵ = 40555343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40555375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555379) 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, 22300 + ... + 24049.

It is an arithmetic number, because the mean of its divisors is an integer number (3615300).

Almost surely, 2^40555375 is an apocalyptic number.

40555375 is a deficient number, since it is larger than the sum of its proper divisors (17289425).

40555375 is an equidigital number, since it uses as much as digits as its factorization.

40555375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46371 (or 46361 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 40555375 is about 6368.3102154339. The cubic root of 40555375 is about 343.5707164279.

The spelling of 40555375 in words is "forty million, five hundred fifty-five thousand, three hundred seventy-five".