40718077 has 6 divisors (see below), whose sum is σ = 43254458. Its totient is φ = 38322624.

The previous prime is 40718071. The next prime is 40718087. The reversal of 40718077 is 77081704.

It can be written as a sum of positive squares in 3 ways, for example, as 27657081 + 13060996 = 5259^2 + 3614^2 .

It is not a de Polignac number, because 40718077 - 2⁷ = 40717949 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 (40718071) 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 5 ways as a sum of consecutive naturals, for example, 70158 + ... + 70735.

Almost surely, 2^40718077 is an apocalyptic number.

It is an amenable number.

40718077 is a deficient number, since it is larger than the sum of its proper divisors (2536381).

40718077 is a wasteful number, since it uses less digits than its factorization.

40718077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140927 (or 140910 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 40718077 is about 6381.0717751801. The cubic root of 40718077 is about 344.0295545412.

The spelling of 40718077 in words is "forty million, seven hundred eighteen thousand, seventy-seven".