40555223 has 8 divisors (see below), whose sum is σ = 42439296. Its totient is φ = 38707200.

The previous prime is 40555201. The next prime is 40555231. The reversal of 40555223 is 32255504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40555223 - 2¹² = 40551127 is a prime.

It is a super-2 number, since 2×40555223² = 3289452225159458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40555192 and 40555201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40545223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6698 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (5304912).

Almost surely, 2^40555223 is an apocalyptic number.

40555223 is a deficient number, since it is larger than the sum of its proper divisors (1884073).

40555223 is a wasteful number, since it uses less digits than its factorization.

40555223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 40555223 is about 6368.2982813307. The cubic root of 40555223 is about 343.5702871973.

The spelling of 40555223 in words is "forty million, five hundred fifty-five thousand, two hundred twenty-three".