40769777 has 8 divisors (see below), whose sum is σ = 43241280. Its totient is φ = 38356560.

The previous prime is 40769759. The next prime is 40769789. The reversal of 40769777 is 77796704.

It is a happy number.

40769777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40769777 - 2⁶ = 40769713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40769747) 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, 13127 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (5405160).

Almost surely, 2^40769777 is an apocalyptic number.

It is an amenable number.

40769777 is a deficient number, since it is larger than the sum of its proper divisors (2471503).

40769777 is a wasteful number, since it uses less digits than its factorization.

40769777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29143.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 40769777 is about 6385.1215336906. The cubic root of 40769777 is about 344.1750984599.

The spelling of 40769777 in words is "forty million, seven hundred sixty-nine thousand, seven hundred seventy-seven".