40061788 has 18 divisors (see below), whose sum is σ = 75917184. Its totient is φ = 18489744.

The previous prime is 40061773. The next prime is 40061803. The reversal of 40061788 is 88716004.

It is a happy number.

40061788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40061773) and next prime (40061803).

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 5 ways as a sum of consecutive naturals, for example, 28956 + ... + 30307.

Almost surely, 2^40061788 is an apocalyptic number.

It is an amenable number.

40061788 is a deficient number, since it is larger than the sum of its proper divisors (35855396).

40061788 is a wasteful number, since it uses less digits than its factorization.

40061788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59293 (or 59278 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 40061788 is about 6329.4382057178. The cubic root of 40061788 is about 342.1711920656.

The spelling of 40061788 in words is "forty million, sixty-one thousand, seven hundred eighty-eight".