40777361 has 4 divisors (see below), whose sum is σ = 40932672. Its totient is φ = 40622052.

The previous prime is 40777349. The next prime is 40777409. The reversal of 40777361 is 16377704.

40777361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40777361 - 2¹⁴ = 40760977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40777301) 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 3 ways as a sum of consecutive naturals, for example, 77261 + ... + 77786.

It is an arithmetic number, because the mean of its divisors is an integer number (10233168).

Almost surely, 2^40777361 is an apocalyptic number.

It is an amenable number.

40777361 is a deficient number, since it is larger than the sum of its proper divisors (155311).

40777361 is a wasteful number, since it uses less digits than its factorization.

40777361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155310.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 40777361 is about 6385.7153867049. The cubic root of 40777361 is about 344.1964383045.

The spelling of 40777361 in words is "forty million, seven hundred seventy-seven thousand, three hundred sixty-one".