40718055 has 16 divisors (see below), whose sum is σ = 74456064. Its totient is φ = 18613920.

The previous prime is 40718053. The next prime is 40718071. The reversal of 40718055 is 55081704.

It is not a de Polignac number, because 40718055 - 2¹ = 40718053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40718053) 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, 193791 + ... + 194000.

It is an arithmetic number, because the mean of its divisors is an integer number (4653504).

Almost surely, 2^40718055 is an apocalyptic number.

40718055 is a deficient number, since it is larger than the sum of its proper divisors (33738009).

40718055 is a wasteful number, since it uses less digits than its factorization.

40718055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387806.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 40718055 is about 6381.0700513315. The cubic root of 40718055 is about 344.0294925814.

Adding to 40718055 its reverse (55081704), we get a palindrome (95799759).

The spelling of 40718055 in words is "forty million, seven hundred eighteen thousand, fifty-five".