40555419 has 4 divisors (see below), whose sum is σ = 54073896. Its totient is φ = 27036944.

The previous prime is 40555399. The next prime is 40555433. The reversal of 40555419 is 91455504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40555419 - 2¹¹ = 40553371 is a prime.

It is a super-2 number, since 2×40555419² = 3289484020531122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40555419.

It is not an unprimeable number, because it can be changed into a prime (40555469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6759234 + ... + 6759239.

It is an arithmetic number, because the mean of its divisors is an integer number (13518474).

Almost surely, 2^40555419 is an apocalyptic number.

40555419 is a deficient number, since it is larger than the sum of its proper divisors (13518477).

40555419 is a wasteful number, since it uses less digits than its factorization.

40555419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518476.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 40555419 is about 6368.3136700386. The cubic root of 40555419 is about 343.5708406786.

The spelling of 40555419 in words is "forty million, five hundred fifty-five thousand, four hundred nineteen".