40555598 has 16 divisors (see below), whose sum is σ = 61889280. Its totient is φ = 19928376.

The previous prime is 40555583. The next prime is 40555607. The reversal of 40555598 is 89555504.

40555598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44261 + ... + 45167.

It is an arithmetic number, because the mean of its divisors is an integer number (3868080).

Almost surely, 2^40555598 is an apocalyptic number.

40555598 is a deficient number, since it is larger than the sum of its proper divisors (21333682).

40555598 is a wasteful number, since it uses less digits than its factorization.

40555598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 180000, while the sum is 41.

The square root of 40555598 is about 6368.3277239790. The cubic root of 40555598 is about 343.5713461523.

The spelling of 40555598 in words is "forty million, five hundred fifty-five thousand, five hundred ninety-eight".