40555007 has 8 divisors (see below), whose sum is σ = 41395200. Its totient is φ = 39720024.

The previous prime is 40554991. The next prime is 40555019. The reversal of 40555007 is 70055504.

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 40555007 - 2⁴ = 40554991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994 + ... + 19232.

It is an arithmetic number, because the mean of its divisors is an integer number (5174400).

Almost surely, 2^40555007 is an apocalyptic number.

40555007 is a deficient number, since it is larger than the sum of its proper divisors (840193).

40555007 is a wasteful number, since it uses less digits than its factorization.

40555007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 40555007 is about 6368.2813223035. The cubic root of 40555007 is about 343.5696772363.

The spelling of 40555007 in words is "forty million, five hundred fifty-five thousand, seven".