40117742 has 16 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 17089368.

The previous prime is 40117741. The next prime is 40117783. The reversal of 40117742 is 24771104.

40117742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40117741) by changing a digit.

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, 6242 + ... + 10917.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^40117742 is an apocalyptic number.

40117742 is a deficient number, since it is larger than the sum of its proper divisors (29071378).

40117742 is a wasteful number, since it uses less digits than its factorization.

40117742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17335.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 40117742 is about 6333.8568029282. The cubic root of 40117742 is about 342.3304206067.

Adding to 40117742 its reverse (24771104), we get a palindrome (64888846).

The spelling of 40117742 in words is "forty million, one hundred seventeen thousand, seven hundred forty-two".